1 1 MACROECONOMIC TIME SERIES: TRANSPORTATION AND PUBLIC UTILTIES NATIONAL BUREAU OF ECONOMIC RESEARCH: MACROECONOMIC TIME SERIES FOR THE UNITED STATES, UNITED KINGDOM, GERMANY, AND FRANCE (ICPSR 7644) - - - PRINCIPAL INVESTIGATOR NATIONAL BUREAU OF ECONOMIC RESEARCH - - - INTER-UNIVERSITY CONSORTIUM FOR POLITICAL AND SOCIAL RESEARCH P.O. BOX 1248 ANN ARBOR, MICHIGAN 48106 - SUMMER, 1980 1 ACKNOWLEDGMENT OF ASSISTANCE - ALL MANUSCRIPTS UTILIZING DATA MADE AVAILABLE THROUGH THE CONSORTIUM SHOULD ACKNOWLEDGE THAT FACT AS WELL AS IDENTIFY THE ORIGINAL COLLECTOR OF THE DATA. THE ICPSR COUNCIL URGES ALL USERS OF ICPSR DATA FACILITIES TO FOLLOW SOME ADAPTATION OF THIS STATEMENT WITH THE PARENTHESES INDICATING ITEMS TO BE FILLED IN APPROPRIATELY OR DELETED BY THE INDIVIDUAL USER. 0 THE DATA (AND TABULATIONS) UTILIZED IN THIS (PUBLICATION) WERE MADE AVAILABLE (IN PART) BY THE INTER-UNIVERSITY CONSORTIUM FOR POLITICAL AND SOCIAL RESEACH. THE DATA FOR MACROECONOMIC TIME SERIES FOR THE UNITED STATES, UNITED KINGDOM, GERMANY AND FRANCE WERE ORIGINALLY COLLECTED BY THE NATIONAL BUREAU FOR ECONOMIC RESEARCH. NEITHER THE ORIGINAL COLLECTORS OF THE DATA NOR THE CONSORTIUM BEAR ANY RESPONSIBILITY FOR THE ANALYSES OR INTERPRETATIONS PRESENTED HERE. 0 IN ORDER TO PROVIDE FUNDING AGENCIES WITH ESSENTIAL INFORMATION ABOUT THE USE OF ARCHIVAL RESOURCES, AND TO FACILITATE THE EXCHANGE OF INFORMATION ABOUT ICPSR PARTICIPANTS' RESEARCH ACTIVITIES, EACH USER OF THE ICPSR DATA FACILITIES IS EXPECTED TO SEND TWO COPIES OF EACH COMPLETED MANUSCRIPT OR THESIS ABSTRACT TO THE CONSORTIUM. PLEASE INDICATE IN THE COVER LETTER WHICH DATA WERE USED. 1 I. CONTENT AND SCOPE - DURING THE PAST FIVE OR MORE DECADES, THE NATIONAL BUREAU OF ECONOMIC RESEARCH (NBER) HAS COMPILED A MASSIVE ARRAY OF ECONOMIC TIME SERIES IN MONTHLY, QUARTERLY, AND ANNUAL FORM. THESE SERIES, PERTAINING TO THE UNITED STATES, GREAT BRITAIN, GERMANY, AND FRANCE, ARE ORGANIZED BY THE NBER IN 16 MAJOR CATEGORIES, AS FOLLOWS: 0 I. PRODUCTION OF COMMODITIES II. CONSTRUCTION III. TRANSPORTATION AND PUBLIC UTILITIES IV. PRICES V. STOCKS OF COMMODITIES VI. DISTRIBUTION OF COMMODITIES VII. FOREIGN TRADE VIII. INCOME AND EMPLOYMENT IX. FINANCIAL STATUS OF BUSINESS X. SAVINGS AND INVESTMENT XI. SECURITY MARKETS XII. VOLUME OF TRANSACTIONS XIII. INTEREST RATES XIV. MONEY AND BANKING XV. GOVERNMENT FINANCE XVI. INDEX OF INDICATORS OPERATING UNDER A GRANT FROM THE NATIONAL SCIENCE FOUNDATION, THE INTER-UNIVERSITY CONSORTIUM FOR POLITICAL AND SOCIAL RESEARCH AND THE NATIONAL BUREAU OF ECONOMIC RESEARCH HAVE UNDERTAKEN THE TASK OF CONVERTING THIS COLLECTION---NOW CONTAINING AN ESTIMATED 1.4 MILLION DATA OBSERVATIONS---INTO FULLY ACCESSIBLE, READILY USABLE, AND COMPLETELY DOCUMENTED MACHINE-READABLE FORM. - - 0 III. TRANSPORTATION AND PUBLIC UTIITIES 0 A. ORGANIZATION AND DEFINITIONS THE DATA IN THE TRANSPORTATION AND PUBLIC UTILITIES CATEGORY ARE ORGANIZED, IN THE NBER ARCHIVES, IN 128 DISTINCT "SERIES". BROADLY SPEAKING, AN NBER SERIES IS A COLLECTION OF OBSERVATIONS ON AN ECONOMIC VARIABLE, OR A SET OF ECONOMIC 1 VARIABLES, OVER TIME. A SERIES IS COMPLETELY DESCRIBED BY A THREE-PART SPECIFICATION OF: 1) THE CONSTRUCT OR PROPERTY TO BE MEASURED; E.G., VALUE OF TOTAL CONSTRUCTION, FLOOR SPACE OF TOTAL CONSTRUCTION, AND SO FORTH. 2) THE UNIT OF OBSERVATION; E.G., 27 EASTERN STATES, OHIO, GLASGOW, PARIS. 3) THE OPERATIONAL DETAILS; I.E., UNITS OF MEASUREMENT, METHOD OF COLLECTING INFORMATION, FUNCTION OF TIME, AND SEASONAL ADJUSTMENTS, IF ANY. THE EXTENT OF THE SERIES COVERAGE IS ALSO GIVEN, E.G. 1791-1919, ETC. QUITE FREQUENTLY, HOWEVER, AN NBER SERIES IS NOT COMPARABLE OVER ITS ENTIRE TIME COVERAGE. FOR EXAMPLE, THE F. W. DODGE CORPORATION, A MAJOR SOURCE OF CONSTRUCTION DATA, GRADUALLY EXPANDED ITS GEOGRAPHICAL COVERAGE, FROM THE NEW ENGLAND STATES IN 1901 TO 48 STATES IN 1956. WITH EACH EXPANSION A BREAK IN COMPARABILITY OCCURS WITH ONE OR MORE YEARS OF OVERLAPPING DATA BETWEEN SEGMENTS OF A SERIES. WITH EACH EXPANSION A BREAK IN COMPARABILIY IN OPERATIONAL DEFINITIONS---BASE OF AN INDEX, CHANGES IN COLLECTION PROCEDURES, AND SO FORTH OCCURS. WHEN SUCH BREAKS OCCUR, SERIES HAVE BEEN SUBDIVIDED INTO TWO OR MORE VARIABLES. THE REASONS UNDERLYING SUCH CHANGES ARE NOTED IN THE DOCUMENTATION. THE 128 NBER TRANSPORTATION AND PUBLIC UTILITIES SERIES HAVE BEEN SUBDIVIDED INTO 292 VARIABLES. ORDER OF VARIABLES WITHIN THE TRANSPORTATION AND PUBLIC UTILITIES DATAEST FOLLOWS THE OUTLINE OF THE NBER CATALOG: - ***** DATASET 03A, VARIABLES 1-292 ***** 0 III. TRANSPORTATION AND PUBLIC UTILITIES A. TRANSPORTATION INDUSTRIES 1. RAILROAD TRANSPORTATION (EXCEPT LOCAL AND INTERURBAN) A. TRAFFIC 1. FREIGHT SERVICE (1) CARLOADINGS AND TONNAGE CARRIED (2) OTHER SELECTED FREIGHT TRAFFIC STATISTICS 2. PASSENGER SERVICE (1) PASSENGERS CARRIED (2) OTHER SELECTED PASSENGER TRAFFIC STATISTICS B. OPERATION 1 1. FREIGHT TRAIN PERFORMANCE (1) MILEAGE (2) HOURS (3) FUEL CONSUMPTION (4) PERFORMANCE RATIOS (5) FREIGHT CAR SHORTAGE AND SURPLUS 2. PASSENGER TRAIN PERFORMANCE (1) MILEAGE (2) HOURS (3) FUEL CONSUMPTION (4) PERFORMANCE RATIOS 3. MEASURES OF PRODUCTIVITY C. OPERATING REVENUE 1. REVENUE FROM FREIGHT OPERATIONS (1) GROSS REVENUE (2) UNIT REVENUE 2. REVENUE FROM PASSENGER OPERATIONS (1) GROSS REVENUE (2) UNIT REVENUE 3. AGGREGATE GROSS REVENUE D. OPERATING EXPENSES 1. AGGREGATE EXPENSES (1) SELECTED ACCOUNTS (2) UNIT EXPENSE E. RATES 1. FREIGHT RATES 2. LOCAL AND INTERURBAN RAILWAYS AND BUS LINES A. TRAFFIC 2. PASSENGER SERVICE E. RATES 2. PASSENGER SERVICE 3. TRANSPORATION BY MOTOR TRUCK 4. TRANSPORTATION BY AIR A. TRAFFIC 2. PASSENGER SERVICE 5. WATER TRANSPORTATION A. TRAFFIC 1. FREIGHT SERIVICE B. OPERATION 1. FREIGHT SERVICE E. RATES 1. FREIGHT SERVICE B. PUBLIC UTILITIES 1. COMMUNICATIONS A. MESSAGES CARRIED 2. TELEGRAPH CARRIERS C. OPERATING REVENUE 1. TELEPHONE CARRIERS 2. TELEGRAPH CARRIERS 2. ELECTRIC LIGHT AND POWER 1 (***** END OF DATASET 03A *****) - IN NBER DATASETS, THE UNIT OF ANALYSIS IS AN INTERVAL OF TIME---A YEAR, QUARTER, OR MONTH. THE BULK OF OBSERVATIONS ARE MONTHLY, AND MOST VARIABLES CONTAINING ORIGINAL MONTHLY DATA CONTAIN ANNUAL VALUES AS WELL. NEXT IN NUMBER TO MONTHLY AND MONTHLY-ANNUAL VARIABLES ARE VARIABLES CONTAINING ONLY ANNUAL DATA. ALSO FOUND IN THE NBER COLLECTION ARE QUARTERLY AND QUARTERLY-ANNUAL VARIABLES. RARELY, A VARIABLE MAY CONTAIN MONTHLY, QUARTERLY, AND ANNUAL VARIABLES. IN VARIABLES CONTAINING ANNUAL AND EITHER QUARTERLY OR MONTHLY DATA, THE ANNUAL VALUE WILL BE THE SUM OR THE MEAN OF THE DATA COLLECTED AT SHORTER TIME INTERVALS, DEPENDENT UPON THE NATURE OF THE TIME SERIES. FOR EXAMPLE, IN THE CASE OF AN INDEX, THE ANNUAL FIGURE WILL USUALLY BE THE MEAN OF MONTHLY OR QUARTERLY VALUES. IN VARIABLES WHICH MEASURE QUANTITIES OR NUMBER OVER TIME, SUCH AS NUMBER OF CONSTRUCTION CONTRACTS AWARDED, THE ANNUAL VALUE WILL BE THE SUM OF MONTHLY OR QUARTERLY DATA. NBER DATASETS CONTAIN TWO CASE IDENTIFICATION VARIABLES: THE "TIME INTERVAL" AND "INTERVAL TYPE" VARIABLES. THE TIME INTERVAL VARIABLE IS A FIVE-DIGIT NUMBER OF WHICH THE FIRST THREE DIGITS EQUAL THE LAST NUMBERS OF THE YEAR OF THE OBSERVATION (911 FOR 1911, 889 FOR 1889) AND THE LAST TWO DIGITS IDENTIFY THE YEAR OR QUARTER. FOR EXAMPLE, AN OBSERVATION FOR JANUARY 1901 WOULD HAVE A VALUE OF 90101 FOR THE TIME INTERVAL VARIABLE; THE FIRST QUARTER OF 1901 WOULD BE EQUAL TO 90103. THE INTERVAL TYPE VARIABLE SPECIFIES WHETHER THE CASE CONTAINS MONTHLY, QUARTERLY, OR ANNUAL DATA. IT IS A ONE-DIGIT INTEGER HAVING A VALUE OF 1 FOR ANNUAL CASES, 2 FOR QUARTERLY CASES, AND 3 FOR MONTHLY CASES. USED TOGETHER, THE TIME INTERVAL AND INTERVAL TYPE VARIABLE UNIQUELY IDENTIFY EACH CASE. FOR EXAMPLE, MARCH, 1901 AND THE FIRST QUARTER 1901 WOULD BOTH HAVE A TIME INTERVAL VALUE OF 90103; HOWEVER, THE INTERVAL TYPE VALUE OF 3 FOR THE MONTH OF MARCH AND 2 FOR THE FIRST QUARTER ALLOWS THE TWO CASES TO BE DISTINGUISHED FROM ONE ANOTHER. IN ADDITION, THE TIME INTERVAL AND INTERVAL TYPE VARIABLES CAN BE USED TO SUBSET THE DATASET BY TIME OR TYPE OF DATA OR BOTH AND WILL FACILITATE THE MERGING OF OTHER ECONOMIC, SOCIAL, OR POLITICAL VARIABLES INTO THE DATASETS. B. SEASONAL ADJUSTMENTS MANY OF THE TIME SERIES IN THE NBER COLLECTION CONTAIN A SEASONALLY ADJUSTED SERIES AS WELL AS THE ORIGINAL DATA. DR. GEOFFREY H. MOORE, DIRECTOR OF BUSINESS CYCLE RESEARCH AT NBER, HAS WRITTEN THE FOLLOWING REMARKS ON THE SUBJECT OF SEASONAL ADJUSTMENTS: THE MONTHLY AND QUARTERLY DATA IN THE NATIONAL BUREAU'S 1 COLLECTION OF TIME SERIES ARE ADJUSTED, IN MOST INSTANCES, FOR SEASONAL VARIATIONS. VIRTUALLY THE ONLY EXCEPTIONS ARE SERIES WHERE NO SEASONAL VARIATION WAS PRESENT OR COULD BE FOUND. OCCASIONALLY SEASONAL MOVEMENTS WILL DISAPPEAR FROM A SERIES FOR A PERIOD OF YEARS, AS FOR EXAMPLE WHEN PRICES ARE FIXED BY FIAT OR WHEN THE MONETARY AUTHORITIES COUNTER THE SEASONAL PRESSURES ON INTEREST RATES. THE PERVASIVENESS OF SEASONAL VARIATIONS CAN BE TRACED TO THEIR SOURCE: RECURRING CHANGES IN THE WEATHER OR CLIMATIC CONDITIONS AND CONVENTIONAL CHANGES DUE TO RELIGIOUS OBSERVANCES, HOLIDAYS, AND OTHER CUSTOMS, THE NUMBER OF DAYS IN THE MONTH, LEGAL CONDITIONS SUCH AS TAX PAYMENT DATES, OR BUSINESS PRACTICES SUCH AS QUARTERLY PAYMENT OF DIVIDENDS. FOR PURPOSES OF BUSINESS CYCLE ANALYSIS THE REPETITIVE MOVEMENTS CAUSED BY THESE FACTORS ARE LARGELY IRRELEVANT AND CONFUSING. THEY ARE REMOVED BY SEASONAL ADJUSTMENT. ONLY THE ORIGINAL AND THE SEASONALLY ADJUSTED DATA ARE REPRODUCED IN THIS FILE. THE SEASONAL FACTORS USED TO DERIVE THE SEASONALLY ADJUSTED DATA ARE NOT SHOWN. THEY CAN BE REPRODUCED, AT LEAST APPROXIMATELY, IN MOST INSTANCES, BY DIVIDING THE ORIGINAL DATA BY THE SEASONALLY ADJUSTED. IN SOME INSTANCES, NOTABLY WHERE THE ORIGINAL DATA HAVE PLUS AND MINUS VALUES, THE SEASONALLY ADJUSTED FIGURES SHOULD BE SUBTRACTED FROM THE ORIGINAL TO DERIVE THE SEASONAL FACTORS. SINCE THE SEASONAL FACTORS CHANGE FROM TIME TO TIME, SOMETIMES EVERY YEAR, IT MAY NOT BE EASY TO REPRODUCE THE FACTORS PRECISELY, BECAUSE OF ROUNDING PROBLEMS. MOREOVER, THE METHOD OF ESTIMATING THE SEASONAL FACTORS HAS NOT BEEN SPECIFIED. THE ORIGINAL FILES FROM WHICH THESE RECORDS WERE TAKEN USUALLY CONTAIN WORKSHEETS WHICH SHOW HOW THE SEASONAL FACTORS WERE ESTIMATED. MOST OF THE SERIES WERE ADJUSTED BY THE NATIONAL BUREAU AND A VARIETY OF METHODS WERE USED, WHICH WILL BE BRIEFLY DESCRIBED HERE. FOR FURTHER DETAILS THE USER IS REFERRED TO THE SOURCES LISTED BELOW. METHODS OF SEASONAL ADJUSTMENT USED BY THE NATIONAL BUREAU CHANGED DURING THE PERIOD, BEGINNING IN THE 1920'S WHEN THE DATA WERE BEING COLLECTED AND ANALYZED. THE TWO PRINCIPAL METHODS USED WERE THE "MONTHLY MEANS" METHOD AND THE "RATIO TO MOVING AVERAGE METHOD." WITH THE MONTHLY MEANS METHOD THE ORIGINAL DATA FOR ALL THE JANUARIES WERE AVERAGED OVER A PERIOD OF, SAY, TEN YEARS, THEN THE MEAN OF ALL THE FEBRUARIES WAS OBTAINED, AND SO ON. THESE TWELVE AVERAGES ARE THEN ADJUSTED FOR SECULAR TREND AND EXPRESSED AS A RATIO TO THE AVERAGE FOR THE YEAR. THE RESULTING RATIOS FOR JANUARY, FEBRUARY, ETC. ARE THE SEASONAL FACTORS TO BE DIVIDED INTO THE ORIGINAL DATA TO OBTAIN THE SEASONALLY ADJUSTED DATA FOR THE TEN YEAR PERIOD. VARIATIONS ON THIS METHOD INVOLVED TAKING AVERAGES OF THE MIDDLE ITEMS IN THE ARRAY OF JANUARIES, ETC.; APPLYING THE SEASONAL INDEXES TO A PERIOD SHORTER OR LONGER THAN THE PERIOD FROM WHICH THEY WERE DERIVED; AND OPERATING WITH DIFFERENCES INSTEAD OF RATIOS. THE RATIO TO MOVING AVERAGE METHOD RELIES ON THE PRINCIPLE THAT A TWELVE MONTH MOVING AVERAGE IS NOT, AS A RULE, AFFECTED BY SEASONAL VARIATIONS BUT DOES CONTAIN ALL OF THE SECULAR TREND, MUCH OF THE CYCLICAL MOVEMENT, AND 1 LITTLE OF THE IRREGULAR FLUCTUATION. HENCE WHEN IT IS DIVIDED INTO THE ORIGINAL DATA THE RATIOS CONTAIN ALL OF THE SEASONAL VARIATION, NONE OF THE TREND, SOME OF THE CYCLICAL MOVEMENT AND ALL OF THE IRREGULAR. BY AVERAGING ALL THE JANUARY RATIOS FOR A PERIOD OF, SAY, SEVEN YEARS, THEN ALL THE FEBRUARY RATIOS, ETC., ONE OBTAINS A SET OF SEASONAL INDEXES IN WHICH THE RESIDUAL CYCLICAL AND IRREGULAR MOVEMENTS HAVE LARGELY CANCELED OUT. VARIANTS OF THIS METHOD INVOLVED USING WEIGHTED MOVING AVERAGES INSTEAD OF A SIMPLE TWELVE MONTH AVERAGE, ALTERING THE PERIODS OVER WHICH THE RATIOS WERE AVERAGED OR ALTERING THE METHOD OF AVERAGING, AND USING DIFFERENCES INSTEAD OF RATIOS. THIS METHOD BECAME THE BASIS FOR THE WIDELY USED ELECTRONIC COMPUTER METHOD OF SEASONAL ADJUSTMENT DEVELOPED BY JULIUS SHISKIN, VAROUSLY CALLED X-11, CENSUS METHOD II, ETC. A NUMBER OF THE SERIES IN THE BUREAU'S COLLECTION WERE ADJUSTED BY THE COMPUTER PROGRAM. THE RATIO TO MOVING AVERAGE METHOD IS READILY ADAPTED TO PRODUCING A MOVING SEASONAL ADJUSTMENT, I.E. SEASONAL FACTORS THAT CHANGE EVERY YEAR IN A SMOOTH, PROGRESSIVE FASHION. ANOTHER METHOD USED TO ADJUST THE SEASONAL FACTORS FROM ONE YEAR TO ANOTHER IS CALLED AMPLITUDE ADJUSTMENT: THE PATTERN OF THE FACTORS DURING THE YEAR IS HELD CONSTANT BUT THE SIZE OF THE SEASONAL SWING IS MADE LARGER IN SOME YEARS THAN IN OTHERS BY MEANS OF A REGRESSION ADJUSTMENT. MANY SERIES HAVE BEEN ADJUSTED, USUALLY BY THE COMPILERS, BY AN IMPLICIT MOVING SEASONAL. SEASONALLY ADJUSTED COMPONENTS ARE SUMMED TO FORM THE TOTAL, AND SHIFTS IN THEIR MAGNITUDES CAUSE CHANGES IN THE IMPLICIT SEASONAL ADJUSTMENT OF THE TOTAL. FINALLY, IN SOME INSTANCES A SPECIAL METHOD, DEVISED BY ARTHUR F. BURNS, FOR ELIMINATING SEASONAL VARIATIONS FROM HIGHLY IRREGULAR SERIES HAS BEEN USED. IT INVOLVES MULTIPLYING THE SEASONAL FACTORS (EXPRESSED AS DEVIATIONS FROM 100) BY A SMOOTHED VERSION OF THE SERIES (A TWELVE-MONTH MOVING AVERAGE) AND SUBTRACTING THE RESULTING PRODUCTS FROM THE ORIGINAL DATA. THE METHOD ASSUMES THAT THE ABSOLUTE AMOUNT BY WHICH THE SERIES SOULD BE ADJUSTED (I.E., IN ORIGINAL UNITS) IS INDEPENDENT OF THE IRREGULAR COMPONENT OF THE SERIES. FOR FULLER EXPLANATIONS AND ILLUSTRATIONS OF THE METHODS OF SEASONAL ADJUSTMENT USED BY THE NATIONAL BUREAU OVER THE YEARS CONSULT THE FOLLOWING NBER PUBLICATIONS: KUZNETS, SIMON, "SEASONAL VARIATIONS IN INDUSTRY AND TRADE," 1933 BURNS, ARTHUR F., AND WESLEY C. MITCHELL, "MEASURING BUSINESS CYCLES," CHAPTER 3 AND ITS APPENDIX, 1946 MITCHELL, WESLEY C., "BUSINESS CYCLES: THE PROBLEM AND ITS SETTING," PP. 233-249, 1927 MACAULAY, FREDERICK R., "THE SMOOTHING OF TIME SERIES," 1931 SHISKIN, JULIUS, "ELECTRONIC COMPUTERS AND BUSINESS INDICATORS," 1957 (REPRINTED IN MOORE, GEOFFREY H., "BUSINESS CYCLE INDICATORS," SHISKIN, JULIUS AND HARRY EISENPRESS, "SEASONALLY ADJUSTMENTS BY ELECTRONIC COMPUTER METHODS," 1958 1 (ICPSR 7644) 1 - DECK IDENTIFICATION NUMBER IS '01' DK 1 COL 1- 2 ---------------------------------- 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 1 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 1 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 1 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. 1 2 (ICPSR 7644) - 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 1 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 1 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0006 03030 FRE CAR 3R 919-953 MD=-999999 REF 0006 LOC 15 WIDTH 9 DK 1 COL 17-25 0 INDEX OF FREIGHT CARLOADING, TOTAL ---------------------------------- NBER SERIES: 03030 1 (ICPSR 7644) 3 - (CONTINUED) - AREA COVERED: U.S. UNITS: 1935-1939=100 ANNUAL COVERAGE: 1919-1952 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1919-06/1953 SEASONAL ADJUSTMENT: NONE SOURCE: FEDERAL RESERVE BOARD, BULLETINS OF JUNE 1941 AND THEREAFTER NOTES: DATA ARE BASED ON AVERAGE CARLOADINGS PER WORKING DAY. ............................................................... 0 VAR 0007 03030 FRE CAR 3S 919-953 MD=-999999 REF 0007 LOC 24 WIDTH 9 DK 1 COL 26-34 0 INDEX OF FREIGHT CARLOADINGS,TOTAL, SEASONALLY ADJUSTED ------------------------------------------------------- NBER SERIES: 03030 AREA COVERED: U.S. UNITS: 1935-1939=100 ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1919-06/1953 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY SOURCE SOURCE: FEDERAL RESERVE BOARD, DATA FOR 1919-1938 AND 1943-1953: BULLETINS OF JUNE 1941 AND THEREAFTER; DATA FOR 1939-1942: MIMEOGRAPH RELEASE R AND S 721, OCTOBER 1943, DIVISION OF RESEARCH AND STATISTICS NOTES: DATA ARE BASED ON AVERAGE CARLOADINGS PER WORKING DAY. ............................................................... 0 VAR 0008 03031 DE CELL 3R 920-953 MD=-999999 REF 0008 LOC 33 WIDTH 9 DK 1 COL 35-43 0 INDEX OF FREIGHT CARLOADINGS, MISCELLANEOUS ------------------------------------------- NBER SERIES: 03031 AREA COVERED: U.S. UNITS: 1935-1939=100 ANNUAL COVERAGE: 1921-1952 QUARTERLY COVERAGE: NONE 1 4 (ICPSR 7644) - (CONTINUED) - MONTHLY COVERAGE: 07/1920-06/1953 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1920-1953: FEDERAL RESERVE BOARD, BULLETINS FOR JUNE 1941 AND THEREAFTER NOTES: DATA ARE BASED ON AVERAGE CARLOADINGS PER WORKING DAY. ............................................................... 0 VAR 0009 03031 DE CELL 3S 920-953 MD=-999999 REF 0009 LOC 42 WIDTH 9 DK 1 COL 44-52 0 INDEX OF FREIGHT CARLOADINGS, MISCELLANEOUS, SEASONALLY ADJUSTED ------------------------------------------------------- NBER SERIES: 03031 AREA COVERED: U.S. UNITS: 1935-1939=100 ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: O7/1920-06/1953 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY SOURCE SOURCE: FEDERAL RESERVE BOARD, DATA FOR 1920-1953 AND 1943-1953: BULLETINS OF JUNE 1941 AND THEREAFTER; DATA FOR 1939-1942: MIMEOGRAPH RELEASE R AND S 721, OCTOBER 1943, THE DIVISION OF RESEARCH AND STATISTICS NOTES: DATA ARE BASED ON AVERAGE CARLOADINGS PER WORKING DAY. ............................................................... 0 VAR 0010 03002 CARS AD 3R 918-974 MD=-999999 REF 0010 LOC 51 WIDTH 9 DK 1 COL 53-61 0 FREIGHT CARS LOADED ------------------- NBER SERIES: 03002 AREA COVERED: U.S. UNITS: THOUSANDS OF CARS PER WEEK ANNUAL COVERAGE: 1918-1973 QUARTERLY COVERAGE: FIRST,1962 - THIRD,1966 MONTHLY COVERAGE: 01/1918-O7/1974 SEASONAL ADJUSTMENT: NONE SOURCE: ASSOCIATION OF AMERICAN RAILROADS, DATA FOR 1 (ICPSR 7644) 5 - (CONTINUED) - 1918-1921: ANNUAL BULLETIN, ISSUES OF 1922-1925; DATA FOR 1922-1974: "REVENUE FREIGHT LOADED AND RECEIVED FROM CONNECTIONS", WEEKLY PUBLICATION NOTES: DATA ARE DERIVED AS AVERAGES OF 4 OR 5 WEEKLY FIGURES FOR THE MONTH; WEEKS ENDING ON THE 1ST, 2ND, AND 3RD DAY OF A MONTH ARE INCLUDED IN THE PRECEDING MONTH. THE WEEKLY CARLOADINGS ARE USUALLY REVISED ONE YEAR AFTER THEY WERE FIRST PUBLISHED (IN RARE CASES A SECOND REVISION IS SHOWN TWO YEARS AFTER THE ORIGINAL FIGURE). ALL REVISIONS HAVE BEEN ACCOUNTED FOR IN THE DATA. ............................................................... 0 VAR 0011 03002 CARS AD 3S 918-967 MD=-999999 REF 0011 LOC 60 WIDTH 9 DK 1 COL 62-70 0 FREIGHT CARS LOADED, SEASONALLY ADJUSTED ---------------------------------------- NBER SERIES: 03002 AREA COVERED: U.S. UNITS: THOUSANDS OF CARS PER WEEK ANNUAL COVERAGE: NONE [ QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1918-12/1967 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY UNIVAC AND NBER SOURCE: ASSOCIATION OF AMERICAN RAILROADS, DATA FOR 1918-1921: ANNUAL BULLETIN, ISSUES OF 1922-1925; DATA FOR 1922-1967: "REVENUE FREIGHT LOADED AND RECEIVED FROM CONNECTIONS", 1922 AND THEREAFTER, WEEKLY PUBLICATION NOTES: DATA ADJUSTED BY UNIVAC FOR 1918-1944; NBER FOR 1944-1967. DATA ARE DERIVED AS AVERAGES OF 4 OR 5 WEEKLY FIGURES FOR THE MONTH; WEEKS ENDING ON THE 1ST, 2ND, AND 3RD DAY OF A MONTH ARE INCLUDED IN THE PRECEDING MONTH. THE WEEKLY CARLOADINGS ARE USUALLY REVISED ONE YEAR AFTER THEY WERE FIRST PUBLISHED (IN RARE CASES A SECOND REVISION IS SHOWN TWO YEARS AFTER THE ORIGINAL FIGURE). ALL REVISIONS HAVE BEEN ACCOUNTED FOR IN THE DATA. CURRENT FIGURES ARE BEING REVISED AS REVISIONS BECOME AVAILABLE. 1 6 (ICPSR 7644) - 0 VAR 0012 03062 TEAMWAY 2R 920-943 MD=-999999 REF 0012 LOC 69 WIDTH 9 DK 1 COL 71-79 IMP DEC= 1 0 REVENUE TONS ORIGINATED, CLASS I STEAM RAILWAYS, TOTAL ------------------------------------------------------ NBER SERIES: 03062 AREA COVERED: U.S. UNITS: MILLIONS OF TONS ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: FIRST,1920 - FIRST,1943 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, BUREAU OF STATISTICS, FREIGHT COMMODITY QUARTERLY DECK IDENTIFICATION NUMBER IS '02' DK 2 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 2 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 2 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. 1 (ICPSR 7644) 7 - 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 2 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 2 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 2 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF 1 8 (ICPSR 7644) - (CONTINUED) - OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0013 03062 TEAMWAY 2S 920-943 MD=-999999 REF 0013 LOC 78 WIDTH 9 DK 2 COL 17-25 IMP DEC= 1 0 REVENUE TONS ORIGINATED, CLASS I STEAM RAILWAYS, TOTAL, SEASONALLY ADJUSTED ------------------------------------------------------- NBER SERIES: 03062 AREA COVERED: U.S. UNITS: MILLIONS OF TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1920 - FIRST,1943 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, BUREAU OF STATISTICS, FREIGHT COMMODITY QUARTERLY ............................................................... 0 VAR 0014 03068 LE CARS 2S 920-943 MD=-999999 REF 0014 LOC 87 WIDTH 9 DK 2 COL 26-34 IMP DEC= 1 0 RAILROAD FREIGHT TONS ORIGINATED, CARLOAD, SEASONALLY ADJUSTED ----------------------------------------------------- NBER SERIES: 03068 AREA COVERED: U.S. UNITS: MILLIONS OF TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1920 - FIRST,1943 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA COMPUTED BY NBER FROM SEASONALLY ADJUSTED DATA FOR SERIES 03069 (RAILROAD FREIGHT TONS ORIGINATED, LESS THAN CARLOAD) SUBTRACTED FROM SEASONALLY ADJUSTED DATA FOR 1 (ICPSR 7644) 9 - (CONTINUED) - SERIES 03062 (REVENUE TONS ORIGINATED,CLASS I STEAM RAILWAYS) ............................................................... 0 VAR 0015 03069 TON GIN 2R 920-943 MD=-999999 REF 0015 LOC 96 WIDTH 9 DK 2 COL 35-43 0 REVENUE FREIGHT TONS ORIGINATED, LESS THAN CARLOAD -------------------------------------------------- NBER SERIES: 03069 AREA COVERED: U.S. UNITS: THOUSANDS OF TONS ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: FIRST,1920 - THIRD,1943 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1923: "STATISTICS OF RAILWAYS", 1920, P. XXXIV; 1921, P. CIX; 1922, P. CIII; 1923, P.XCIV; DATA FOR 1924-1943: "FREIGHT COMMODITY STATISTICS: QUARTERLY REPORTS" ............................................................... 0 VAR 0016 03069 TON GIN 2S 920-943 MD=-999999 REF 0016 LOC 105 WIDTH 9 DK 2 COL 44-52 0 REVENUE FREIGHT TONS ORIGINATED, LESS THAN CARLOAD, SEASONALLY ADJUSTED --------------------------------------------------- NBER SERIES: 03069 AREA COVERED: U.S. UNITS: THOUSANDS OF TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1920 - THIRD,1943 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1923: "STATISTICS OF RAILWAYS", 1920, P. XXXIV; 1921, P. CIX; 1922, P. CIII; 1923, P.XCIV; DATA FOR 1924-1943: "FREIGHT COMMODITY STATISTICS: QUARTERLY REPORTS" 1 10 (ICPSR 7644) - 0 VAR 0017 03004 CHICAGO 3R 887-900 MD=-999999 REF 0017 LOC 114 WIDTH 9 DK 2 COL 53-61 IMP DEC= 1 0 EASTBOUND FREIGHT SHIPMENTS, CHICAGO ------------------------------------ NBER SERIES: 03004 AREA COVERED: U.S. UNITS: THOUSANDS OF TONS ANNUAL COVERAGE: 1888-1899 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 09/1887-06/1900 SEASONAL ADJUSTMENT: NONE SOURCE: RAILROAD GAZETTE ............................................................... 0 VAR 0018 03004 CHICAGO 3S 887-900 MD=-999999 REF 0018 LOC 123 WIDTH 9 DK 2 COL 62-70 IMP DEC= 1 0 EASTBOUND FREIGHT SHIPMENTS, CHICAGO, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03004 AREA COVERED: U.S. UNITS: THOUSANDS OF TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 09/1887-06/1900 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: RAILROAD GAZETTE ............................................................... 0 VAR 0019 03005D TON OF 1R 871-949 MD=-999999 REF 0019 LOC 132 WIDTH 9 DK 2 COL 71-79 IMP DEC= 1 0 TONS OF FREIGHT CARRIED ----------------------- NBER SERIES: 03005D AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF LONG TONS ANNUAL COVERAGE: 1871-1913, 1919-1949 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE 1 (ICPSR 7644) 11 - (CONTINUED) - SOURCE: DATA FOR 1871-1898: "GENERAL REPORT IN REGARD TO THE SHARE, LOAN...OF THE RAILWAY COMPANIES OF THE UNITED KINGDOM", PARLIAMENTARY PAPERS, VOLUME LXVII, P. 14; VOLLME LX, P. 17; VOLUME LVIII, P. 18; VOLUME LXV, P. 21; VOLUME LXXXV, P. 22; DATA FOR 1899-1913 AND 1919-1935: "RAILWAY RETURNS", 1908, P. XXXVIII; 1913, P. XXXVIII; 1922, P. 22; 1926, P. 22; 1931, P. 20; AND STATISTCAL ABSTRACT FOR THE UNITED KINGDOM", VOL. 80, P. 325; DATA FOR 1936-1949: "STATISTICAL ABSTRACT FOR THE UNITED KINGDOM", 1936 AND FOLLOWING YEARS NOTES: DATA INCLUDE MINERALS AND GENERAL MERCHANDISE, BUT EXCLUDE LIVESTOCK. DATA FOR 1898-1913 AND 1928-1935 WERE COMPUTED BY ADDING BREAKDOWN ITEMS. BEGINNING IN 1919, DATA REFER TO TONS OF FREIGHT ORIGINATED. DATA FOR 1919-1935 EXCLUDE THE MANCHESTER SHIP CANAL. BEGINNING IN 1928, THE METHOD OF COMPILATION OF RAILWAY COMPANIES ACCOUNTS CHANGED. THE DATA, HOWEVER, FOR ALL PRACTICAL PURPOSES REMAINS COMPARABLE. DATA FOR 1938-1949 INCLUDE LIVESTOCK, HOWEVER, THE AMOUNT IS SMALL. DATA FOR 1948 ARE FOR BRITISH RAILWAYS ONLY. DECK IDENTIFICATION NUMBER IS '03' DK 3 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 3 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 3 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, 1 12 (ICPSR 7644) - (CONTINUED) - SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 3 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 3 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. 1 (ICPSR 7644) 13 - 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 3 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0020 03006 HESSIAN 3R 904-913 MD=-999999 REF 0020 LOC 141 WIDTH 9 DK 3 COL 17-25 IMP DEC= 1 0 CARLOADINGS PER WORKING DAY, PRUSSIAN-HESSIAN AND OLDENBURG RAILROAD ----------------------------------------------------------- NBER SERIES: 03006 AREA COVERED: GERMANY UNITS: THOUSANDS OF CARS ANNUAL COVERAGE: 1905-1913 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 12/1904-12/1913 SEASONAL ADJUSTMENT: NONE SOURCE: E. WAGEMANN, KONJUNKTURLEHRE, P. 236 NOTES: SERIES 03006 IS PRESENTED HERE AS SIX VARIABLES--(1)--ORIGINAL DATA, 1905-1913 (2)--SEASONALLY ADJUSTED DATA, 1905-1913 (3)--ORIGINAL DATA, 1909-1926 (4)--SEASONALLY ADJUSTED DATA, 1909-1926 (5)--ORIGINAL DATA, 1924-1935 (6)--SEASONALLY ADJUSTED DATA, 1924-1935. ............................................................... 0 VAR 0021 03006 HESSIAN 3S 904-913 MD=-999999 REF 0021 LOC 150 WIDTH 9 DK 3 COL 26-34 IMP DEC= 1 0 CARLOADINGS PER WORKING DAY, PRUSSIAN-HESSIAN AND OLDENBURG 1 14 (ICPSR 7644) - (CONTINUED) - RAILROAD, SEASONALLY ADJUSTED ----------------------------------------------------------- NBER SERIES: 03006 AREA COVERED: GERMANY UNITS: THOUSANDS OF CARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 12/1904-12/1913 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: E. WAGEMANN, KONJUNKTURLEHRE, P. 236 NOTES: SERIES 03006 IS PRESENTED HERE AS SIX VARIABLES--(1)--ORIGINAL DATA, 1905-1913 (2)--SEASONALLY ADJUSTED DATA, 1905-1913 (3)--ORIGINAL DATA, 1909-1926 (4)--SEASONALLY ADJUSTED DATA, 1909-1926 (5)--ORIGINAL DATA, 1924-1935 (6)--SEASONALLY ADJUSTED DATA, 1924-1935. ............................................................... 0 VAR 0022 03006 HESSIAN 3R 909-926 MD=-999999 REF 0022 LOC 159 WIDTH 9 DK 3 COL 35-43 IMP DEC= 1 0 CARLOADINGS PER WORKING DAY --------------------------- NBER SERIES: 03006 AREA COVERED: GERMANY UNITS: THOUSANDS OF CARS ANNUAL COVERAGE: 1910-1925 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1909-06/1926 SEASONAL ADJUSTMENT: NONE SOURCE: E. WAGEMANN, KONJUNKTURLEHRE, P. 236 NOTES: SERIES 03006 IS PRESENTED HERE AS SIX VARIABLES--(1)--ORIGINAL DATA, 1905-1913 (2)--SEASONALLY ADJUSTED DATA, 1905-1913 (3)--ORIGINAL DATA, 1909-1926 (4)--SEASONALLY ADJUSTED DATA, 1909-1926 (5)--ORIGINAL DATA, 1924-1935 (6)--SEASONALLY ADJUSTED DATA, 1924-1935. ............................................................... 0 VAR 0023 03006 HESSIAN 3S 909-926 MD=-999999 REF 0023 LOC 168 WIDTH 9 DK 3 COL 44-52 IMP DEC= 1 0 RAILROAD CARLOADINGS PER WORKING DAY, SEASONALLY ADJUSTED --------------------------------------------------------- 1 (ICPSR 7644) 15 - (CONTINUED) - NBER SERIES: 03006 AREA COVERED: GERMANY UNITS: THOUSANDS OF CARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1909-06/1926 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: E. WAGMANN, KONJUNKTURLEHRE, P 236 NOTES: SERIES 03006 IS PRESENTED HERE AS SIX VARIABLES--(1)--ORIGINAL DATA, 1905-1913 (2)--SEASONALLY ADJUSTED DATA, 1905-1913 (3)--ORIGINAL DATA, 1909-1926 (4)--SEASONALLY ADJUSTED DATA, 1909-1926 (5)--ORIGINAL DATA, 1924-1935 (6)--SEASONALLY ADJUSTED DATA, 1924-1935. BEGINNING IN 1914 EXTRA DECIMAL PLACE WAS ADDED SO DATA WOULD CONFORM WITH THE STANDARD DATA FORMAT. ............................................................... 0 VAR 0024 03006 HESSIAN 3R 924-935 MD=-999999 REF 0024 LOC 177 WIDTH 9 DK 3 COL 53-61 IMP DEC= 1 0 CARLOADINGS PER WORKING DAY, PRUSSIAN-HESSIAN AND OLDENBURG RAILROAD ----------------------------------------------------------- NBER SERIES: 03006 AREA COVERED: GERMANY UNITS: THOUSANDS OF CARS ANNUAL COVERAGE: 1925-1934 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01-10/1924,12/1924-09/1935 SEASONAL ADJUSTMENT: NONE SOURCE: E. WAGEMANN, KONJUNKTURLEHRE, P. 236 NOTES: SERIES 03006 IS PRESENTED HERE AS SIX VARIABLES--(1)--ORIGINAL DATA, 1905-1913 (2)--SEASONALLY ADJUSTED DATA, 1905-1913 (3)--ORIGINAL DATA, 1909-1926 (4)--SEASONALLY ADJUSTED DATA, 1909-1926 (5)--ORIGINAL DATA, 1924-1935 (6)--SEASONALLY ADJUSTED DATA, 1924-1935. ............................................................... 0 VAR 0025 03006 HESSIAN 3S 924-935 MD=-999999 REF 0025 LOC 186 WIDTH 9 DK 3 COL 62-70 IMP DEC= 1 0 CAR-LOADINGS PER WORKING DAY, PRUSSIAN-HESSIAN AND OLDENBURG 1 16 (ICPSR 7644) - (CONTINUED) - RAILROAD, SEASONALLY ADJUSTED ------------------------------------------------------------ NBER SERIES: 03006 AREA COVERED: GERMANY UNITS: THOUSANDS OF CARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01-10/1924, 12/1924-09/1935 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: E. WAGEMANN, KONJUNKTURLEHRE, P. 236 NOTES: SERIES 03006 IS PRESENTED HERE AS SIX VARIABLES--(1)--ORIGINAL DATA, 1905-1913 (2)--SEASONALLY ADJUSTED DATA, 1905-1913 (3)--ORIGINAL DATA, 1909-1926 (4)--SEASONALLY ADJUSTED DATA, 1909-1926 (5)--ORIGINAL DATA, 1924-1935 (6)--SEASONALLY ADJUSTED DATA, 1924-1935. ............................................................... 0 VAR 0026 03073 REICHS 3R 921-937 MD=-999999 REF 0026 LOC 195 WIDTH 9 DK 3 COL 71-79 IMP DEC= 2 0 REVENUE TONS ORIGNINATED, REICHSBAHN ------------------------------------ NBER SERIES: 03073 AREA COVERED: GERMANY UNITS: MILLIONS OF TONS ANNUAL COVERAGE: 1922-1937 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1921-12/1937 SEASONAL ADJUSTMENT: NONE SOURCE: STATISTICHES JAHRBUCH FUR DAS DEUTSCHE REICH NOTES: DATA FROM 1935 ON INCLUDE THE SAAR. DECK IDENTIFICATION NUMBER IS '04' DK 4 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 4 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ 1 (ICPSR 7644) 17 - (CONTINUED) - THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 4 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 4 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 4 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE 1 18 (ICPSR 7644) - (CONTINUED) - YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 4 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0027 03073 REICHS 3S 921-937 MD=-999999 REF 0027 LOC 204 WIDTH 9 DK 4 COL 17-25 IMP DEC= 2 0 REVENUE TONS ORIGINATED, REICHSBAHN, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03073 AREA COVERED: GERMANY UNITS: MILLIONS OF TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1921-12/1937 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: STATISTICHES JAHRBUCH FUR DAS DEUTSCHE REICH NOTES: DATA FROM 1935 ON INCLUDE THE SAAR. 1 (ICPSR 7644) 19 - 0 VAR 0028 03007A A RAGE 3R 920-939 MD=-999999 REF 0028 LOC 213 WIDTH 9 DK 4 COL 26-34 IMP DEC= 1 0 FREIGHT CARLOADINGS, MAIN LINES, DAILY AVERAGE ---------------------------------------------- NBER SERIES: 03007A AREA COVERED: FRANCE UNITS: THOUSANDS OF CARS ANNUAL COVERAGE: 1920-1929, 1931-1938 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1929; 07/1930-07/1939 SEASONAL ADJUSTMENT: NONE SOURCE: STATISTIQUE GENERALE DE LA FRANCE, DATA FOR 1920-1921: "INDICES GENERAUX DES MOVEMENT ECONOMIQUE LA FRANCE DE 1901 A 1931", P. 105; DATA FOR 1922-1939: "BULLETIN DE LA STATISTIQUE GENERALE DE LA FRANCE", JANUARY 1923, P. 121 AND FOLLOWING BULLETINS NOTES: DATA FOR 1920-1937 COVER THE SIX MAIN LINES: ETAT, MIDI, ORLEANS, P.L.M., MORD, AND EST. BEGINNING IN 1938, DATA ARE BASED ON THE NATIONAL SOCIETY OF RAILWAYS, A REORGINIZATION OF THE ABOVE LISTED SIX MAIN LINES. THE TITLE OF THESE DATA GIVEN IN THE BANQUE NATIONALE FRANCAISE DES COMMERCE ENTERIEUR, MONTHLY REVIEW (PUBLISHED IN ENGLISH) IS "DAILY AVERAGE OF TRUCKS LOADED ON MAIN LINES." A STRIKE AFFECTED THE FIGURE FOR MAY 1920 (SEE REVUE GENERALE DES CHEMINS, MARCH 1921, P. 184.) BEGINNING IN 1930, DATA COVER ALSACE-LORRAINE. ............................................................... 0 VAR 0029 03007A A RAGE 3S 920-939 MD=-999999 REF 0029 LOC 222 WIDTH 9 DK 4 COL 35-43 IMP DEC= 1 0 FREIGHT CARLOADINGS, MAIN LINES, DAILY AVERAGE, SEASONALLY ADJUSTED ---------------------------------------------------------- NBER SERIES: 03007A AREA COVERED: FRANCE UNITS: THOUSANDS OF CARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1929; 07/1930-07/1939 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: STATISTIQUE GENERALE DE LA FRANCE, DATA FOR 1 20 (ICPSR 7644) - (CONTINUED) - 1920-1921: "INDICES GENERAUX DES MOVEMENT ECONOMIQUE LA FRANCE DE 1901 A 1931", P. 105; DATA FOR 1922-1939: "BULLETIN DE LA STATISTIQUE GENERALE DE LA FRANCE", JANUARY 1923, P. 121 AND FOLLOWING BULLETINS NOTES: DATA FOR 1920-1937 COVER THE SIX MAIN LINES: ETAT, MIDI, ORLEANS, P.L.M., MORD, AND EST. BEGINNING IN 1938, DATA ARE BASED ON THE NATIONAL SOCIETY OF RAILWAYS, A REORGINIZATION OF THE ABOVE LISTED SIX MAIN LINES. THE TITLE OF THESE DATA GIVEN IN THE BANQUE NATIONALE FRANCAISE DES COMMERCE ENTERIEUR, MONTHLY REVIEW (PUBLISHED IN ENGLISH) IS "DAILY AVERAGE OF TRUCKS LOADED ON MAIN LINES." A STRIKE AFFECTED THE FIGURE FOR MAY 1920 (SEE REVUE GENERALE DES CHEMINS, MARCH 1921, P. 184.) BEGINNING IN 1930, DATA COVER ALSACE-LORRAINE. ............................................................... 0 VAR 0030 03001 NON NET 3R 907-943 MD=-999999 REF 0030 LOC 231 WIDTH 9 DK 4 COL 44-52 IMP DEC= 1 0 REVENUE AND NON-REVENUE NET TON-MILES OF FREIGHT HAULED ------------------------------------------------------- NBER SERIES: 03001 AREA COVERED: U.S. UNITS: BILLIONS OF TON-MILES ANNUAL COVERAGE: 1908-1913, 1917-1941 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1907-06/1914; 04/1916-07/1942; 10/1942-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1907-1914: AMERICAN RAILWAY ASSOCIATION, PROCEEDINGS, MAY 1914, PP. 525FF.; NOVEMBER 1914, P. 745; DATA FOR 1916-1943: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, DECEMBER 1923, P. 52; ANNUAL SUPPLEMENTS OF 1932, 1936, 1938, 1940; FOLLOWING MONTHLY ISSUES NOTES: DATA IN THIS SERIES IS IDENTICAL TO DATA IN SERIES 03003 FOR THE YEARS 1907-1914 AND 1916-1924. DATA MAY BE CHECKED WITH THE FOLLOWING INTERSTATE COMMERCE COMMISSION ORIGINAL SOURCES -- DATA FOR 1918-1922: STATISTICS OF RAILWAYS, 1922; DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES," A MONTHLY PUBLICATION; DATA FOR 1935-1942: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES," A MONTHLY PUBLICATION. HOWEVER, SOME DATA HAVE BEEN REVISED BY THE SCB AND 1 (ICPSR 7644) 21 - (CONTINUED) - THEREFORE WILL NOT ALWAYS AGREE WITH THE ORIGINAL SOURCE. ............................................................... 0 VAR 0031 03001 NON NET 3S 907-943 MD=-999999 REF 0031 LOC 240 WIDTH 9 DK 4 COL 53-61 IMP DEC= 1 0 REVENUE AND NON-REVENUE NET TON-MILES OF FREIGHT HAULED, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03001 AREA COVERED: U.S. UNITS: BILLIONS OF TON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1907-06-1914; 04/1916-07/1942; 10/1942-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1907-1914: AMERICAN RAILWAY ASSOCIATION, PROCEEDINGS, MAY 1914, PP. 525FF.; NOVEMBER 1914, P. 745; DATA FOR 1916-1943: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, DECEMBER 1923, P. 52; ANNUAL SUPPLEMENTS OF 1932, 1936, 1938, 1940; FOLLOWING MONTHLY ISSUES NOTES: DATA IN THIS SERIES IS IDENTICAL TO DATA IN SERIES 03003 FOR THE YEARS 1907-1914 AND 1916-1924. DATA MAY BE CHECKED WITH THE FOLLOWING INTERSTATE COMMERCE COMMISSION ORIGINAL SOURCES -- DATA FOR 1918-1922: STATISTICS OF RAILWAYS, 1922; DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES," A MONTHLY PUBLICATION; DATA FOR 1935-1942: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES," A MONTHLY PUBLICATION. HOWEVER, SOME DATA HAVE BEEN REVISED BY THE SCB AND THEREFORE WILL NOT ALWAYS AGREE WITH THE ORIGINAL SOURCE. ............................................................... 0 VAR 0032 03003 RAI ROA 3S 866-922 MD=-999999 REF 0032 LOC 249 WIDTH 9 DK 4 COL 62-70 IMP DEC= 2 0 RAILROAD FREIGHT TON-MILES, REVENUE, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03003 AREA COVERED: U.S. UNITS: BILLIONS OF TON-MILES 1 22 (ICPSR 7644) - (CONTINUED) - ANNUAL COVERAGE: 1867-1922 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 08/1866-12/1922 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY SOURCE SOURCE: BABSON STATISTICAL ORGANIZATION, INC. NOTES: SERIES 03003 IS PRESENTED HERE AS THREE VARIABLES--(1)--SEASONALLY ADJUSTED DATA, 1866-1922 (2)--ORIGINAL DATA, 1920-1963 (3)--SEASONALLY ADJUSTED, 1920-1963. DATA FOR 1907-1914 AND 1916-1924 ARE IDENTICAL TO THE DATA IN SERIES 03001 AND COULD BE CONSIDERED ADDITIONAL VARIABLE SEGMENTS. DATA AT LEAST UNTIL 1909 ARE BASED ON A TWO MONTH MOVING AVERAGE PLACED IN THE SECOND MONTH. ............................................................... 0 VAR 0033 03003 RAI ROA 3R 920-960 MD=-999999 REF 0033 LOC 258 WIDTH 9 DK 4 COL 71-79 IMP DEC= 3 0 RAILROAD FREIGHT TON-MILES, REVENUE ----------------------------------- NBER SERIES: 03003 AREA COVERED: U.S. UNITS: BILLIONS OF TON-MILES ANNUAL COVERAGE: 1920-1963 QUARTERLY COVERAGE: FIRST,1960 - FOURTH,1963 MONTHLY COVERAGE: 01/1920-12/1960; 02,05,08,11/1961,1962,1963 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: SERIES 03003 IS PRESENTED HERE AS THREE VARIABLES--(1)--SEASONALLY ADJUSTED DATA, 1866-1922 (2)--ORIGINAL DATA, 1920-1963 (3)--SEASONALLY ADJUSTED, 1920-1963. DATA FOR 1907-1914 AND 1916-1924 ARE IDENTICAL TO THE DATA IN SERIES 03001 AND COULD BE CONSIDERED ADDITIONAL VARIABLE SEGMENTS. DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. A COAL STRIKE ACCOUNTED FOR THE MARKED DECREASE IN APRIL 1941. DECK IDENTIFICATION NUMBER IS '05' DK 5 COL 1- 2 ---------------------------------- 1 (ICPSR 7644) 23 - 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 5 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 5 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 5 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 5 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- 1 24 (ICPSR 7644) - (CONTINUED) - THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 5 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0034 03003 RAI ROA 3S 920-960 MD=-999999 REF 0034 LOC 267 WIDTH 9 DK 5 COL 17-25 IMP DEC= 2 0 RAILROAD FREIGHT TON-MILES, REVENUE AND NON-REVENUE, SEASONALLY ADJUSTED ---------------------------------------------------- NBER SERIES: 03003 AREA COVERED: U.S. UNITS: BILLIONS OF TON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1960; 1 (ICPSR 7644) 25 - (CONTINUED) - 02,05,08,11/1961,1962,1963 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER AND IBM SOURCE: INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: SERIES 03003 IS PRESENTED HERE AS THREE VARIABLES--(1)--SEASONALLY ADJUSTED DATA, 1866-1922 (2)--ORIGINAL DATA, 1920-1963 (3)--SEASONALLY ADJUSTED, 1920-1963. DATA FOR 1907-1914 AND 1916-1924 ARE IDENTICAL TO THE DATA IN SERIES 03001 AND COULD BE CONSIDERED ADDITIONAL VARIABLE SEGMENTS. DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. A COAL STRIKE ACCOUNTED FOR THE MARKED DECREASE IN APRIL 1941. DATA WAS SEASONALLY ADJUSTED BY NBER FROM 1920-1954; BY IBM FROM 1955-1963. ............................................................... 0 VAR 0035 03003C RAILRO 1R 890-916 MD=-999999 REF 0035 LOC 276 WIDTH 9 DK 5 COL 26-34 IMP DEC= 1 0 RAILROAD REVENUE FREIGHT TON-MILES ---------------------------------- NBER SERIES: 03003C AREA COVERED: U.S. UNITS: BILLION OF TON-MILES ANNUAL COVERAGE: 1890-1916 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, "STATISTICS OF RAILWAYS IN THE UNITED STATES FOR 1943," P. 150, PUBLISHED 1945 NOTES: SERIES IS PRESENTED HERE AS TWO VARIABLES--(1)--ORIGINAL DATA, 1890-1916 (2)--ORIGINAL DATA, 1916-1943. DATA ARE FOR CLASS I, II, AND III RAILWAYS. THE YEAR END IS JUNE 30. 1 26 (ICPSR 7644) - 0 VAR 0036 03003C RAILRO 1R 916-943 MD=-999999 REF 0036 LOC 285 WIDTH 9 DK 5 COL 35-43 IMP DEC= 1 0 RAILROAD REVENUE FREIGHT TON-MILES ---------------------------------- NBER SERIES: 03003C AREA COVERED: U.S. UNITS: BILLIONS OF TON MILES ANNUAL COVERAGE: 1916-1943 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, "STATISTICS OF RAILWAYS IN THE UNITED STATES FOR 1943," P. 150, PUBLISHED 1945 NOTES: SERIES IS PRESENTED HERE AS TWO VARIABLES--(1)--ORIGINAL DATA, 1890-1916 (2)--ORIGINAL DATA, 1916-1943. DATA ARE FOR CLASS I, II, AND III RAILWAYS. THE YEAR ENDS DECEMBER 31. ............................................................... 0 VAR 0037 03003E ON ALL 1R 882-911 MD=-999999 REF 0037 LOC 294 WIDTH 9 DK 5 COL 44-52 IMP DEC= 1 0 REVENUE TONS OF FREIGHT CARRIED ONE MILE, ALL RAILROADS ------------------------------------------------------- NBER SERIES: 03003E AREA COVERED: U.S. UNITS: BILLIONS OF TON-MILES ANNUAL COVERAGE: 1882-1911 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: POOR'S MANUAL OF RAILROADS, 1890, P. XIII-XIV; 1891, P. 1; 1905, P.II; 1910, P. CVII-CIX; 1912, P. CXXXIV-CXLVII NOTES: FISCAL YEARS OF COMPANIES REPORTING VARY. 1 (ICPSR 7644) 27 - 0 VAR 0038 03003G THITEN 1R 865-890 MD=-999999 REF 0038 LOC 303 WIDTH 9 DK 5 COL 53-61 IMP DEC= 2 0 FREIGHT TON-MILES, THIRTEEN RAILROADS ------------------------------------- NBER SERIES: 03003G AREA COVERED: U.S. UNITS: BILLIONS OF TON-MILES ANNUAL COVERAGE: 1865-1890 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: POOR'S MANUAL OF RAILROADS, 1888, PP. XXVII-XXIX; 1889, P. VIII; AND VOLUMES FOR 1890 AND 1891 NOTES: DATA WERE COMPUTED BY ADDING TON-MILES FOR THE SIX RAILROADS IN SERIES 03003K AND THE TON-MILES FOR THE SEVEN RAILROADS IN SERIES 03003I. DATA FOR 1887-1890 WERE COMPUTED BY ADDING THE TON-MILES OF THE THIRTEEN INDIVIDUAL RAILROADS. ............................................................... 0 VAR 0039 03003I SEVEN 1R 865-891 MD=-999999 REF 0039 LOC 312 WIDTH 9 DK 5 COL 62-70 IMP DEC= 2 0 TONS OF FREIGHT CARRIES ONE MILE, SEVEN RAILROADS ------------------------------------------------- NBER SERIES: 03003I AREA COVERED: U.S. UNITS: BILLIONS OF TON-MILES ANNUAL COVERAGE: 1865-1891 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: SEASONAL ADJUSTMENT: NONE SOURCE: POOR'S MANUAL OF RALROADS, 1888, P. XXVII-XXIX; 1889, P. VIII; AND VOLUMES FOR 1890, 1891, AND 1892 NOTES: THE SEVEN RAILROADS ARE: (1)--PENNSYLVANIA RAILROAD (2)--PITTSBURGH, FORT WAYNE, AND CHICAGO R.R. (3)--NEW YORK CENTRAL R.R. (4)--LAKE SHORE R.R. (5)--MICHIGAN CENTRAL R.R. (6)--BOSTON AND ALBANY R.R. (7)--NEW YORK,LAKE ERIE AND WESTERN R.R. DATA FOR 1887-91 WERE COMPUTED BY ADDING TON-MILES OF THE SEVEN INDIVIDUAL RAILROADS. 1 28 (ICPSR 7644) - 0 VAR 0040 03003K TONSIX 1R 865-890 MD=-999999 REF 0040 LOC 321 WIDTH 9 DK 5 COL 71-79 0 FREIGHT TON-MILES, SIX RAILROADS -------------------------------- NBER SERIES: 03003K AREA COVERED: U.S. UNITS: BILLIONS OF TON-MILES ANNUAL COVERAGE: 1865-1890 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: POOR'S MANUAL OF RAILROADS, 1888, PP. XXVII-XXIX; 1889, P. VIII, AND VOLUMES FOR 1890 AND 1891 NOTES: THE SIX RAILROADS ARE--(1)--ILLINOIS CENTRAL (2)--CHICAGO AND ALTON (3)--CHICAGO AND ROCK ISLAND (4)--CHICAGO, BURLINGTON, AND QUINCY (5)--CHICAGO AND NORTHWESTERN (6)--CHICAGO, MILWAUKEE AND SAINT PAUL. DATA FOR 1889-1890 WERE COMPUTED BY SUMMING THE TON-MILES OF THE SIX INDIVIDUAL RAILROADS. DECK IDENTIFICATION NUMBER IS '06' DK 6 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 6 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 6 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, 1 (ICPSR 7644) 29 - (CONTINUED) - SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 6 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 6 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. 1 30 (ICPSR 7644) - 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 6 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0041 03005A HAULED 3R 920-931 MD=-999999 REF 0041 LOC 330 WIDTH 9 DK 6 COL 17-25 0 RAILWAY FREIGHT TRAFFIC, TOTAL, INCLUDING FREE HAULED ----------------------------------------------------- NBER SERIES: 03005A AREA COVERED: GREAT BRITAIN UNITS: MILLION NET TON-MILES ANNUAL COVERAGE: 1920-1931 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: MINISTRY OF TRANSPORT, RAILWAY STATISTICS, NUMBER 14, JANUARY 1921 AND SUBSEQUENT MONTHLY ISSUES. NOTES: SERIES 03005A IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1931 (2)--SEASONALLY ADJUSTED DATA, 1920-1931 (3)--ORIGINAL DATA, 1931-1939 (4)--SEASONALLY ADJUSTED DATA, 1931-1939. DATA INCLUDE GENERAL MERCHANDISE, LIVESTOCK, COAL, COKE, PATENT FUELS, AND OTHER MINERALS SHIPPED ON STANDARD GAUGE RAILWAYS. DATA FOR 1920 WERE OBTAINED BY EQUATING WEEKLY FIGURES TO CALENDAR MONTHS. DAYS OF WEEKS NOT ENDING WITHIN THE CALENDAR MONTH ARE INCLUDED IN THE NEXT MONTH'S TOTAL. DUE TO ADOPTION OF A NEW AND SIMPLIFIED METHOD OF COMPILING NET TON-MILES, DATA BEGINNING IN JANUARY 1922, ARE NOT STRICTLY COMPARABLE WITH PRIOR FIGURES. 1 (ICPSR 7644) 31 - (CONTINUED) - DATA FOR APRIL-JUNE 1921 AND MAY-SEPTEMBER 1926 WERE SIGNIFICANTLY EFFECTED BY COAL STRIKES. ............................................................... 0 VAR 0042 03005A HAULED 3S 920-931 MD=-999999 REF 0042 LOC 339 WIDTH 9 DK 6 COL 26-34 0 RAILWAY FREIGHT TRAFFIC, TOTAL, INCLUDING FREE HAULED, SEASONALLY ADJUSTED ------------------------------------------------------ NBER SERIES: 03005A AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF NET TON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: MINISTRY OF TRANSPORT, RAILWAY STATISTICS, NUMBER 14, JANUARY 1921 AND SUBSEQUENT MONTHLY ISSUES. NOTES: SERIES 03005A IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1931 (2)--SEASONALLY ADJUSTED DATA, 1920-1931 (3)--ORIGINAL DATA, 1931-1939 (4)--SEASONALLY ADJUSTED DATA, 1931-1939. DATA INCLUDE GENERAL MERCHANDISE, LIVESTOCK, COAL, COKE, PATENT FUELS, AND OTHER MINERALS SHIPPED ON STANDARD GAUGE RAILWAYS. DATA FOR 1920 WERE OBTAINED BY EQUATING WEEKLY FIGURES TO CALENDAR MONTHS. DAYS OF WEEKS NOT ENDING WITHIN THE CALENDAR MONTH ARE INCLUDED IN THE NEXT MONTH'S TOTAL. DUE TO ADOPTION OF A NEW AND SIMPLIFIED METHOD OF COMPILING NET TON-MILES, DATA BEGINNING IN JANUARY 1922, ARE NOT STRICTLY COMPARABLE WITH PRIOR FIGURES. DATA FOR APRIL-JUNE 1921 AND MAY-SEPTEMBER 1926 WERE SIGNIFICANTLY EFFECTED BY COAL STRIKES. ............................................................... 0 VAR 0043 03005A HAULED 3R 931-939 MD=-999999 REF 0043 LOC 348 WIDTH 9 DK 6 COL 35-43 0 RAILWAY FREIGHT TRAFFIC, TOTAL, INCLUDING FREE HAULED ----------------------------------------------------- NBER SERIES: 05003A AREA COVERED: GREAT BRITAIN 1 32 (ICPSR 7644) - (CONTINUED) - UNITS: MILLION NET TON-MILES ANNUAL COVERAGE: 1931-1938 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1931-04/1939 SEASONAL ADJUSTMENT: NONE SOURCE: MINISTRY OF TRANSPORT, RAILWAY STATISTICS, NUMBER 14, JANUARY 1921 AND SUBSEQUENT MONTHLY ISSUES. NOTES: SERIES 03005A IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1931 (2)--SEASONALLY ADJUSTED DATA, 1920-1931 (3)--ORIGINAL DATA, 1931-1939 (4)--SEASONALLY ADJUSTED DATA, 1931-1939. DATA INCLUDE GENERAL MERCHANDISE, LIVESTOCK, COAL, COKE, PATENT FUELS, AND OTHER MINERALS SHIPPED ON STANDARD GAUGE RAILWAYS. BEFORE JANUARY 1932 THE DATA ARE BASED ON INFORMATION SUPPLIED BY THE RAILROAD COMPANIES ON THE BASIS OF CALENDER MONTHS. THEREAFTER, RAILROAD COMPANIES ONLY SUPPLIED INFORMATION ON WEEKLY PERIODS. MONTHLY FIGURES WERE OBTAINED BY EQUATING THE WEEKLY TOTAL TO THE CALENDAR MONTHS. DAYS OF WEEKS NOT ENDING WITHIN THE CALENDAR MONTH WERE INCLUDED IN THE FOLLOWING MONTHS TOTAL. NO DATA WERE AVAILABLE FOR DECEMBER 25-31, 1938. THE ENTIRE MONTH WAS INTERPOLATED ON THE BASIS OF THE FIRST 24 DAYS. ............................................................... 0 VAR 0044 03005A HAULED 3S 931-939 MD=-999999 REF 0044 LOC 357 WIDTH 9 DK 6 COL 44-52 0 RAILWAY FREIGHT TRAFFIC, TOTAL, INCLUDING FREE HAULED, SEASONALLY ADJUSTED ------------------------------------------------------ NBER SERIES: 03005A AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF NET TON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1931-04/1939 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: MINISTRY OF TRANSPORT, RAILWAY STATISTICS, NUMBER 14, JANUARY 1921 AND SUBSEQUENT MONTHLY ISSUES. NOTES: SERIES 03005A IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1931 (2)--SEASONALLY ADJUSTED DATA, 1920-1931 (3)--ORIGINAL DATA, 1931-1939 (4)--SEASONALLY ADJUSTED DATA, 1931-1939. 1 (ICPSR 7644) 33 - (CONTINUED) - DATA INCLUDE GENERAL MERCHANDISE, LIVESTOCK, COAL, COKE, PATENT FUELS, AND OTHER MINERALS SHIPPED ON STANDARD GAUGE RAILWAYS. BEFORE JANUARY 1932 THE DATA ARE BASED ON INFORMATION SUPPLIED BY THE RAILROAD COMPANIES ON THE BASIS OF CALENDER MONTHS. THEREAFTER, RAILROAD COMPANIES ONLY SUPPLIED INFORMATION ON WEEKLY PERIODS. MONTHLY FIGURES WERE OBTAINED BY EQUATING THE WEEKLY TOTAL TO THE CALENDAR MONTHS. DAYS OF WEEKS NOT ENDING WITHIN THE CALENDAR MONTH WERE INCLUDED IN THE FOLLOWING MONTHS TOTAL. NO DATA WERE AVAILABLE FOR DECEMBER 25-31, 1938. THE ENTIRE MONTH WAS INTERPOLATED ON THE BASIS OF THE FIRST 24 DAYS. ............................................................... 0 VAR 0045 03005B TRAFIC 3R 920-931 MD=-999999 REF 0045 LOC 366 WIDTH 9 DK 6 COL 53-61 0 RAILWAY FREIGHT TRAFFIC, OTHER THAN COAL ---------------------------------------- NBER SERIES: 03005B AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF NET TON-MILES ANNUAL COVERAGE: 1920-1931 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: MINISTRY OF TRANSPORT, RAILWAY STATISTICS, NUMBER 14, JANUARY 1921 AND FOLLOWING MONTHS. NOTES: SERIES 03005B IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1931 (2)--SEASONALLY ADJUSTED DATA, 1920-1931 (3)--ORIGINAL DATA, 1931-1939 (4)--SEASONALLY ADJUSTED DATA, 1931-1939. DATA WERE OBTAINED BY DEDUCTING FIGURES FOR COAL, COKE, AND PATENT FUEL FROM TOTAL RAILWAY FREIGHT TRAFFIC FOR STANDARD GAUGE RAILWAYS. DATA INCLUDE LIVESTOCK AND FREE HAULED. DATA FOR 1920 WERE DERIVED FROM WEEKLY FIGURES EQUATED TO CALENDER MONTHS. DAYS OF WEEKS NOT ENDING IN A CALENDER MONTH ARE INCLUDED IN THE FOLLOWING MONTH'S TOTAL. DUE TO THE ADOPTION OF A NEW SIMPLIFIED METHOD OF COMPUTING NET TON-MILES DATA BEGINNING JANUARY 1922 ARE NOT STRICTLY COMPARABLE WITH PRIOR FIGURES. DATA FOR APRIL-JUNE 1921 AND MAY-SEPTEMBER 1926 WERE SIGNIFICANTLY EFFECTED BY COAL STRIKES. 1 34 (ICPSR 7644) - 0 VAR 0046 03005B TRAFIC 3S 920-931 MD=-999999 REF 0046 LOC 375 WIDTH 9 DK 6 COL 62-70 0 RAILWAY FREIGHT TRAFFIC, OTHER THAN COAL, SEASONALLY ADJUSTED ---------------------------------------------------- NBER SERIES: 03005B AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF NET TON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: MINISTRY OF TRANSPORT, RAILWAY STATISTICS, NUMBER 14, JANUARY 1921 AND FOLLOWING MONTHS. NOTES: SERIES 03005B IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1931 (2)--SEASONALLY ADJUSTED DATA, 1920-1931 (3)--ORIGINAL DATA, 1931-1939 (4)--SEASONALLY ADJUSTED DATA, 1931-1939. DATA WERE OBTAINED BY DEDUCTING FIGURES FOR COAL, COKE, AND PATENT FUEL FROM TOTAL RAILWAY FREIGHT TRAFFIC FOR STANDARD GAUGE RAILWAYS. DATA INCLUDE LIVESTOCK AND FREE HAULED. DATA FOR 1920 WERE DERIVED FROM WEEKLY FIGURES EQUATED TO CALENDER MONTHS. DAYS OF WEEKS NOT ENDING IN A CALENDER MONTH ARE INCLUDED IN THE FOLLOWING MONTH'S TOTAL. DUE TO THE ADOPTION OF A NEW SIMPLIFIED METHOD OF COMPUTING NET TON-MILES DATA BEGINNING JANUARY 1922 ARE NOT STRICTLY COMPARABLE WITH PRIOR FIGURES. DATA FOR APRIL-JUNE 1921 AND MAY-SEPTEMBER 1926 WERE SIGNIFICANTLY EFFECTED BY COAL STRIKES. ............................................................... 0 VAR 0047 03005B TRAFIC 3R 931-939 MD=-999999 REF 0047 LOC 384 WIDTH 9 DK 6 COL 71-79 0 RAILWAY FREIGHT TRAFFIC, OTHER THAN COAL ---------------------------------------- NBER SERIES: 03005B AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF NET TON-MILES ANNUAL COVERAGE: 1931-1938 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1931-04/1939 1 (ICPSR 7644) 35 - (CONTINUED) - SEASONAL ADJUSTMENT: NONE SOURCE: MINISTRY OF TRANSPORT, RAILWAY STATISTICS, NUMBER 14, JANUARY 1921 AND FOLLOWING MONTHS. NOTES: SERIES 03005B IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1931 (2)--SEASONALLY ADJUSTED DATA, 1920-1931 (3)--ORIGINAL DATA, 1931-1939 (4)--SEASONALLY ADJUSTED DATA, 1931-1939. DATA WERE OBTAINED BY DEDUCTING FIGURES FOR COAL, COKE, AND PATENT FUEL FROM TOTAL RAILWAY FREIGHT TRAFFIC FOR STANDARD GAUGE RAILWAYS ONLY. MINERALS AND FREE HAULED ARE INCLUDED. DATA WERE OBTAINED BY EQUATING THE FOUR WEEKLY FIGURES TO CALENDAR TO A CALENDAR MONTH. DAYS OF WEEKS NOT ENDING WITHIN A CALENDAR MONTH ARE INCLUDED IN THE FOLLOWING MONTH'S TOTAL. DECK IDENTIFICATION NUMBER IS '07' DK 7 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 7 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 7 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. 1 36 (ICPSR 7644) - 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 7 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 7 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 7 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF 1 (ICPSR 7644) 37 - (CONTINUED) - OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0048 03005B TRAFIC 3S 931-939 MD=-999999 REF 0048 LOC 393 WIDTH 9 DK 7 COL 17-25 0 RAILWAY FREIGHT TRAFFIC, OTHER THAN COAL, SEASONALLY ADJUSTED ---------------------------------------------------- NBER SERIES: 03005B AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF NET TON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1931-04/1939 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: MINISTRY OF TRANSPORT, RAILWAY STATISTICS, NUMBER 14, JANUARY 1921 AND FOLLOWING MONTHS. NOTES: SERIES 03005B IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1931 (2)--SEASONALLY ADJUSTED DATA, 1920-1931 (3)--ORIGINAL DATA, 1931-1939 (4)--SEASONALLY ADJUSTED DATA, 1931-1939. DATA WERE OBTAINED BY DEDUCTING FIGURES FOR COAL, COKE, AND PATENT FUEL FROM TOTAL RAILWAY FREIGHT TRAFFIC FOR STANDARD GAUGE RAILWAYS ONLY. MINERALS AND FREE HAULED ARE INCLUDED. DATA WERE OBTAINED BY EQUATING THE FOUR WEEKLY FIGURES TO CALENDAR TO A CALENDAR MONTH. DAYS OF WEEKS NOT ENDING WITHIN A CALENDAR MONTH ARE INCLUDED IN THE FOLLOWING MONTH'S TOTAL. ............................................................... 0 VAR 0049 03072 KILO ME 3R 921-937 MD=-999999 REF 0049 LOC 402 WIDTH 9 DK 7 COL 26-34 0 REVENUE TON-KILOMETERS, REICHSBAHN ---------------------------------- 1 38 (ICPSR 7644) - (CONTINUED) - NBER SERIES: 03072 AREA COVERED: GERMANY UNITS: MILLIONS OF TON-KILOMETERS ANNUAL COVERAGE: 1922-1937 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1921-12/1937 SEASONAL ADJUSTMENT: NONE SOURCE: STATISTICHES JAHRBUCH FUR DAS DEUTSCHE REICH, TABLES IN REAR OF VOLUMES 1924/5, 1926, AND FOLLOWING ANNUALLY (DATA THROUGH 1924 MAY ALSO BE FOUND IN WIRTSCHAFT UND STATISTIK.) NOTES: DATA FROM THE 1926 AND 1927 VOLUMES OF THE STATISTICHES JAHRBUCH OVERLAP FOR THE FIRST SIX MONTHS OF 1926. THERE IS NO ABSOLUTE ASSURANCE THAT DATA FROM THE EARLIER VOLUME ARE COMPARABLE WITH THAT FROM THE 1927 VOLUME. DIFFERING DATA FOR 1924-1927 CAN BE FOUND IN THE REAR OF THE 1927 VOLUME OF THE STATISTICHES JAHRBUCH. THESE DATA HAVE APPARANTLY BEEN REVISED. BEGINNING IN MARCH 1935 DATA INCLUDE THE SAAR. ............................................................... 0 VAR 0050 03072 KILO ME 3S 921-937 MD=-999999 REF 0050 LOC 411 WIDTH 9 DK 7 COL 35-43 0 REVENUE TON-KILOMETERS, REICHSBAHN, SEASONALLY ADJUSTED ------------------------------------------------------- NBER SERIES: 03072 AREA COVERED: GERMANY UNITS: MILLIONS OF TON-KILOMETERS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1921-12/1937 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: STATISTICHES JAHRBUCH FUR DAS DEUTSCHE REICH, TABLES IN REAR OF VOLUMES 1924/5, 1926, AND FOLLOWING ANNUALLY (DATA THROUGH 1924 MAY ALSO BE FOUND IN WIRTSCHAFT UND STATISTIK.) NOTES: DATA FROM THE 1926 AND 1927 VOLUMES OF THE STATISTICHES JAHRBUCH OVERLAP FOR THE FIRST SIX MONTHS OF 1926. THERE IS NO ABSOLUTE ASSURANCE THAT DATA FROM THE EARLIER VOLUME ARE COMPARABLE WITH THAT FROM THE 1927 VOLUME. DIFFERING DATA FOR 1924-1927 CAN BE FOUND IN THE REAR 1 (ICPSR 7644) 39 - (CONTINUED) - OF THE 1927 VOLUME OF THE STATISTICHES JAHRBUCH. THESE DATA HAVE APPARANTLY BEEN REVISED. BEGINNING IN MARCH 1935 DATA INCLUDE THE SAAR. ............................................................... 0 VAR 0051 03007B GEN RA 1R 851-935 MD=-999999 REF 0051 LOC 420 WIDTH 9 DK 7 COL 44-52 IMP DEC= 2 0 RAILROAD FREIGHT TRAFFIC, INTEIET GENERAL ----------------------------------------- NBER SERIES: 03007B AREA COVERED: FRANCE UNITS: BILLIONS OF METRIC TON-KILOMETERS ANNUAL COVERAGE: 1851, 1853-1935 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: STATISTIQUE DES CHEMINS DE FER FRANCAIS, 1910, PP. 367 AND 369; 1925, P. 76; 1935, P. 82.; ANNUARIE STATISTIQUE, 1936, PP. 94-95. NOTES: DATA EXCLUDE VEHICLES AND ANIMALS. DATA FOR 1870-1919 EXCLUDE ALSACE LORRAINE. ............................................................... 0 VAR 0052 03011 PULLMAN 3R 915-940 MD=-999999 REF 0052 LOC 429 WIDTH 9 DK 7 COL 53-61 0 REVENUE PASSENGERS CARRIED BY PULLMAN COMPANY --------------------------------------------- NBER SERIES: 03011 AREA COVERED: U.S. UNITS: THOUSANDS OF PASSENGERS ANNUAL COVERAGE: 1915-1939 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1915-11/1940 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1915-1919: PULLMAN COMPANY FILES. DATA FOR 1920-JULY 1938: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, 1920 ANNUAL SUPPLEMENT AND FOLLOWING MONTHLY ISSUES. DATA FOR AUGUST 1938-1940: INTERSTATE COMMERCE COMMISSION, LETTER FROM THE BUREAU OF STATISTICS, NOVEMBER 7, 1941. 1 40 (ICPSR 7644) - 0 VAR 0053 03011 PULLMAN 3S 915-940 MD=-999999 REF 0053 LOC 438 WIDTH 9 DK 7 COL 62-70 0 REVENUE PASSENGERS CARRIED BY PULLMAN COMPANY, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03011 AREA COVERED: U.S. UNITS: THOUSANDS OF PASSENGERS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1915-11/1940 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1915-1919: PULLMAN COMPANY FILES. DATA FOR 1920-JULY 1938: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, 1920 ANNUAL SUPPLEMENT AND FOLLOWING MONTHLY ISSUES. DATA FOR AUGUST 1938-1940: INTERSTATE COMMERCE COMMISSION, LETTER FROM THE BUREAU OF STATISTICS, NOVEMBER 7, 1941. ............................................................... 0 VAR 0054 03010G PASCAR 1R 875-916 MD=-999999 REF 0054 LOC 447 WIDTH 9 DK 7 COL 71-79 IMP DEC= 3 0 REVENUE PASSENGERS CARRIED, PULLMAN COMPANY ------------------------------------------- NBER SERIES: 03010G AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGERS ANNUAL COVERAGE: 1875-1916 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1875-1910: LETTER FROM THE PULLMAN COMPANY. DATA FOR 1911-1916: THE STATISTICAL ABSTRACT OF THE UNITED STATES, 1924, P. 381. NOTES: SERIES 03010G IS PRESENTED HERE AS TWO VARIABLES--(1)--ORIGINAL DATA, 1875-1916 (2)--ORIGINAL DATA, 1911-1937. DATA FOR 1875-1916 ARE BASED ON A FISCAL YEAR ENDING JULY 31. DECK IDENTIFICATION NUMBER IS '08' DK 8 COL 1- 2 ---------------------------------- 1 (ICPSR 7644) 41 - 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 8 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 8 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 8 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 8 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- 1 42 (ICPSR 7644) - (CONTINUED) - THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 8 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0055 03010G PASCAR 1R 911-937 MD=-999999 REF 0055 LOC 456 WIDTH 9 DK 8 COL 17-25 IMP DEC= 3 0 REVENUE PASSENGERS CARRIED, PULLMAN COMPANY ------------------------------------------- NBER SERIES: 03010G AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGERS ANNUAL COVERAGE: 1911-1937 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE 1 (ICPSR 7644) 43 - (CONTINUED) - SOURCE: DATA FOR 1875-1910: LETTER FROM THE PULLMAN COMPANY. DATA FOR 1911-1916: THE STATISTICAL ABSTRACT OF THE UNITED STATES, 1924, P. 381. NOTES: SERIES 03010G IS PRESENTED HERE AS TWO VARIABLES--(1)--ORIGINAL DATA, 1875-1916 (2)--ORIGINAL DATA, 1911-1937. DATA FOR 1911-1937 ARE BASED ON THE CALENDAR YEAR. ............................................................... 0 VAR 0056 03011A EX DON 3R 920-948 MD=-999999 REF 0056 LOC 465 WIDTH 9 DK 8 COL 26-34 IMP DEC= 1 0 RAILWAY PASSENGER TRAFFIC EXCLUDING LONDON UNDERGROUND ------------------------------------------------------ NBER SERIES: 03011A AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF PASSENGER JOURNEYS ANNUAL COVERAGE: 1921-1938, 1944-1948 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1920-04/1939; 01/1944-12/1948 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1920-1939: MINISTRY OF TRANSPORT, RAILWAY STATISTICS, NO. 8, 1920, AND FOLLOWING ISSUES; DATA FOR 1944-1948: CENTRAL STATISTICS OFFICE, MONTHLY DIGEST OF STATISTICS NOTES: SERIES 03011A IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1921-1948 (2)--SEASONALLY ADJUSTED DATA, 1921-1948 (3)--ORIGINAL DATA, 1947-1952 (4)--SEASONALLY ADJUSTED, 1947-1952. COVERAGE EXCLUDES SEASON TICKET HOLDERS; STANDARD GAUGE RAILWAYS. DATA FOR 1920-1923 WERE COMPUTED BY DEDUCTING "LONDON ELECTRIC" WHICH INCLUDES METROPOLITAN DISTRICT LONDON ELECTRIC, CENTRAL LONDON, AND CITY AND SOUTH LONDON RAILWAYS AND "METROPOLITAN" WHICH INCLUDES HAMMERSMITH AND CITY JOINT RAILWAY, FROM TOTAL GREAT BRITAIN PASSENGER TRAFFIC. DATA FOR 1924-1925 WERE COMPUTED BY DEDUCTING "METROPOLITAN" FROM THE GROUP "EXCLUDING LONDON TUBES AND METROPOLITAN DISTRICT." DATA FOR 1926-JULY 1933 WERE COMPUTED BY DEDUCTING "METROPOLITIAN" AND "HAMMERSMITH AND CITY" FROM "EXCLUDING LONDON TUBES AND METROPOLITAN DISTRICT RAILWAYS." A GENERAL STRIKE AFFECTED THE FIGURE FOR MAY 1926. BEGINNING IN JANARY 1928, LONDON ELECTRIC INCLUDES: CENTRAL LONDON CITY AND SOUTH LONDON ELECTRIC METROPOLITAN 1 44 (ICPSR 7644) - (CONTINUED) - DISTRICT, WHITE CHAPEL AND BOW RAILWAYS, A PORTION OF BOOKINGS FROM STATIONS ON THE METROPOLITAN DISTRICT JOINT (CITY LINES AND EXTENSIONS) RAILWAYS. AN OVERLAP FOR 1927 SHOWS THIS TO BE COMPARABLE WITH LONDON ELECTRIC GIVEN PREVIOUSLY. DATA BEGINNING JULY 1933 WERE COMPUTED BY DEDUCTING "HAMMERSMITH AND CITY" FROM THE GROUP "EXCLUDING RAILWAY UNDERTAKINGS OF LONDON PASSENGER TRANSPORT AND WHITE CHAPEL AND BOW RAILWAYS." LONDON TRANSPORT BOARD UNDERTAKINGS ARE COMPARABLE TO "LONDON ELECTRIC" PLUS "METROPOLITAN", ETC. THE CORONATION OF GEORGE VII ON MAY 12, 1937 AFFECTED THE MONTHLY FIGURE. DATA FOR 1944-1948 COVER MAIN LINES ONLY. ............................................................... 0 VAR 0057 03011A EX DON 3S 920-948 MD=-999999 REF 0057 LOC 474 WIDTH 9 DK 8 COL 35-43 IMP DEC= 1 0 RAILWAY PASSENGER TRAFFIC, EXCLUDING LONDON UNDERGROUND, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03011A AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF PASSENGER JOURNEYS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FOURTH,1938 MONTHLY COVERAGE: 07/1920-04/1939; 01/1944-12/1948 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1920-1939: MINISTRY OF TRANSPORT, RAILWAY STATISTICS, NO. 8, 1920, AND FOLLOWING ISSUES; DATA FOR 1944-1948: CENTRAL STATISTICS OFFICE, MONTHLY DIGEST OF STATISTICS NOTES: SERIES 03011A IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1921-1948 (2)--SEASONALLY ADJUSTED DATA, 1921-1948 (3)--ORIGINAL DATA, 1947-1952 (4)--SEASONALLY ADJUSTED, 1947-1952. COVERAGE EXCLUDES SEASON TICKET HOLDERS; STANDARD GAUGE RAILWAYS. DATA FOR 1920-1923 WERE COMPUTED BY DEDUCTING "LONDON ELECTRIC" WHICH INCLUDES METROPOLITAN DISTRICT LONDON ELECTRIC, CENTRAL LONDON, AND CITY AND SOUTH LONDON RAILWAYS AND "METROPOLITAN" WHICH INCLUDES HAMMERSMITH AND CITY JOINT RAILWAY, FROM TOTAL GREAT BRITAIN PASSENGER TRAFFIC. DATA FOR 1924-1925 WERE COMPUTED BY DEDUCTING "METROPOLITAN" FROM THE GROUP "EXCLUDING LONDON TUBES AND METROPOLITAN DISTRICT." 1 (ICPSR 7644) 45 - (CONTINUED) - DATA FOR 1926-JULY 1933 WERE COMPUTED BY DEDUCTING "METROPOLITIAN" AND "HAMMERSMITH AND CITY" FROM "EXCLUDING LONDON TUBES AND METROPOLITAN DISTRICT RAILWAYS." A GENERAL STRIKE AFFECTED THE FIGURE FOR MAY 1926. BEGINNING IN JANARY 1928, LONDON ELECTRIC INCLUDES: CENTRAL LONDON CITY AND SOUTH LONDON ELECTRIC METROPOLITAN DISTRICT, WHITE CHAPEL AND BOW RAILWAYS, A PORTION OF BOOKINGS FROM STATIONS ON THE METROPOLITAN DISTRICT JOINT (CITY LINES AND EXTENSIONS) RAILWAYS. AN OVERLAP FOR 1927 SHOWS THIS TO BE COMPARABLE WITH LONDON ELECTRIC GIVEN PREVIOUSLY. DATA BEGINNING JULY 1933 WERE COMPUTED BY DEDUCTING "HAMMERSMITH AND CITY" FROM THE GROUP "EXCLUDING RAILWAY UNDERTAKINGS OF LONDON PASSENGER TRANSPORT AND WHITE CHAPEL AND BOW RAILWAYS." LONDON TRANSPORT BOARD UNDERTAKINGS ARE COMPARABLE TO "LONDON ELECTRIC" PLUS "METROPOLITAN", ETC. THE CORONATION OF GEORGE VII ON MAY 12, 1937 AFFECTED THE MONTHLY FIGURE. DATA FOR 1944-1948 COVER MAIN LINES ONLY. ............................................................... 0 VAR 0058 03011A EX DON 3R 947-952 MD=-999999 REF 0058 LOC 483 WIDTH 9 DK 8 COL 44-52 IMP DEC= 1 0 PASSENGER JOURNEYS ORIGINATING, BRITISH RAILWAYS ------------------------------------------------ NBER SERIES: 03011A AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF PASSENGER JOURNEYS ANNUAL COVERAGE: 1947-1952 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1947-12/1952 SEASONAL ADJUSTMENT: NONE SOURCE: CENTRAL STATISTICS OFFICE, MONTHLY DIGEST OF STATISTICS NOTES: SERIES 03011A IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1921-1948 (2)--SEASONALLY ADJUSTED DATA, 1921-1948 (3)--ORIGINAL DATA, 1947-1952 (4)--SEASONALLY ADJUSTED, 1947-1952. DATA COVER ALL RAILWAY LINES. 1 46 (ICPSR 7644) - 0 VAR 0059 03011A EX DON 3S 947-952 MD=-999999 REF 0059 LOC 492 WIDTH 9 DK 8 COL 53-61 IMP DEC= 1 0 PASSENGER JOURNEYS ORIGINATING, BRITISH RAILWAYS, SEASONALLY ADJUSTED ------------------------------------------------------------ NBER SERIES: 03011A AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF PASSENGER JOURNEYS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1947-12/1952 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: CENTRAL STATISTICS OFFICE, MONTHLY DIGEST OF STATISTICS NOTES: SERIES 03011A IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1921-1948 (2)--SEASONALLY ADJUSTED DATA, 1921-1948 (3)--ORIGINAL DATA, 1947-1952 (4)--SEASONALLY ADJUSTED, 1947-1952. DATA COVER ALL RAILWAY LINES. ............................................................... 0 VAR 0060 03010D IL CAR 1R 890-916 MD=-999999 REF 0060 LOC 501 WIDTH 9 DK 8 COL 62-70 IMP DEC= 1 0 RAILROAD PASSENGERS CARRIED ONE MILE ------------------------------------ NBER SERIES: 03010D AREA COVERED: U.S. UNITS: BILLIONS OF PASSENGER-MILES ANNUAL COVERAGE: 1889-1916 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, STATISTICS OF RAILWAYS, 1889, P. 51; AND 1926 NOTES: SERIES 03010D IS PRESENTED HERE AS TWO VARIABLES--(1)--ORIGINAL DATA, 1889-1916 (2)--ORIGINAL DATA, 1916-1935. THE YEAR FOR 1889-1916 ENDED ON JUNE 30. DATA COVER FIGURES FOR RAILROAD CLASSES I, II, III, HOWEVER, BEGINNING IN 1908, SWITCHING AND TERMINAL COMPANIES ARE EXCLUDED. DATA WERE CHECKED WITH "PRODUCTION TRENDS." POOR'S 1 (ICPSR 7644) 47 - (CONTINUED) - RAILROAD MANUAL GIVES 12.0 AS THE FIGURE FOR 1889. ............................................................... 0 VAR 0061 03010D IL CAR 1R 916-935 MD=-999999 REF 0061 LOC 510 WIDTH 9 DK 8 COL 71-79 IMP DEC= 1 0 RAILROAD PASSENGERS CARRIED ONE MILE ------------------------------------ NBER SERIES: 03010D AREA COVERED: U.S. UNITS: BILLIONS OF PASSENGER-MILES ANNUAL COVERAGE: 1916-1935 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, STATISTICS OF RAILWAYS, 1935, STATEMENTS NO. 53 NOTES: SERIES 03010D IS PRESENTED HERE AS TWO VARIABLES--(1)--ORIGINAL DATA, 1889-1916 (2)--ORIGINAL DATA, 1916-1935. BEGINNING IN 1916, THE YEAR ENDED ON DECEMBER 31. DATA COVER FIGURES FOR RAILROAD CLASSES I, II, AND III, EXCLUDING SWITCHING AND TERMINAL COMPANIES. DATA WERE CHECKED WITH "PRODUCTION TRENDS." DECK IDENTIFICATION NUMBER IS '09' DK 9 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 9 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. 1 48 (ICPSR 7644) - 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 9 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 9 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 9 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. 1 (ICPSR 7644) 49 - (CONTINUED) - THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 9 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0062 03010F CAR ON 1R 882-911 MD=-999999 REF 0062 LOC 519 WIDTH 9 DK 9 COL 17-25 IMP DEC= 2 0 RAILROAD PASSENGERS CARRIED ONE MILE, ALL RAILROADS --------------------------------------------------- NBER SERIES: 03010F AREA COVERED: U.S. UNITS: BILLIONS OF PASSENGER-MILES ANNUAL COVERAGE: 1882-1911 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: POOR'S MANUAL OF RAILROADS, 1890, PP. XIII-XIV; 1891, P. XIII; 1900, P. I; 1905, P. II; 1910, PP. CVII-CIX; 1912, PP. CXXXIV-CXLVIII NOTES: DATA 1882-1890 WERE CHECKED WITH INTERSTATE COMMERCE COMMISSION COMPUTATIONS WHICH CHECKED EXACTLY EXCEPT FOR 1882 (THE ICC GIVES 7.69) AND 1889 (ICC GIVES 11.96). 1 50 (ICPSR 7644) - 0 VAR 0063 03010 REV NUE 3R 919-956 MD=-999999 REF 0063 LOC 528 WIDTH 9 DK 9 COL 26-34 0 RAILROAD REVENUE, PASSENGER-MILES, TOTAL ---------------------------------------- NBER SERIES: 03010 AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGER-MILES ANNUAL COVERAGE: 1920-1955 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 03/1919-09/1956 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-JUNE 1921: STATISTICS OF RAILWAYS IN THE U.S., 1922, P. XCV; DATA FOR JULY 1921-1956: COMPUTED BY NBER FROM REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILROADS -- SERIES 03012C (RAILROAD REVENUE, PASSENGER-MILES, COMMUTATION) AND SERIES 03012D (RAILROAD REVENUE PASSENGER-MILES, OTHER THAN COMMUTATION) NOTES: SINCE ORIGINAL DATA BEGINNING JULY 1921 WERE OBTAINED BY ADDING COMMUTATION AND OTHER THAN COMMUTATION, ROUNDED TO MILLIONS, THE FINAL DIGITS OF OF FIGURES PRESENTED SOMETIMES DIFFER FROM AND ARE LESS ACCURATE THAN THOSE WHICH WOULD BE OBTAINED BY ROUNDING THE TOTAL DIRECTLY. DATA FOR 1955-1956 ARE SUBJECT TO REVISION. ............................................................... 0 VAR 0064 03010 REV NUE 3S 919-943 MD=-999999 REF 0064 LOC 537 WIDTH 9 DK 9 COL 35-43 0 RAILROAD REVENUE, PASSENGER-MILES, TOTAL, SEASONALLY ADJUSTED ---------------------------------------------------- NBER SERIES: 03010 AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGER-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 03/1919-03/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-JUNE 1921: STATISTICS OF RAILWAYS IN THE U.S., 1922, P. XCV; DATA FOR JULY 1921-1943: COMPUTED BY NBER FROM REVENUE 1 (ICPSR 7644) 51 - (CONTINUED) - TRAFFIC STATISTICS OF CLASS I STEAM RAILROADS -- SERIES 03012C (RAILROAD REVENUE, PASSENGER-MILES, COMMUTATION) AND SERIES 03012D (RAILROAD REVENUE PASSENGER-MILES, OTHER THAN COMMUTATION) NOTES: SINCE ORIGINAL DATA BEGINNING JULY 1921 WERE OBTAINED BY ADDING COMMUTATION AND OTHER THAN COMMUTATION, ROUNDED TO MILLIONS, THE FINAL DIGITS OF OF FIGURES PRESENTED SOMETIMES DIFFER FROM AND ARE LESS ACCURATE THAN THOSE WHICH WOULD BE OBTAINED BY ROUNDING THE TOTAL DIRECTLY. A SEASONAL INDEX FOR 1922-1929 WAS APPLIED FOR THE DATA THROUGH JUNE 1921; ADJUSTED DATA BEGINNING JULY 1921 REPRESENT THE SUM OF ADJUSTED DATA FOR COMMUTATION AND OTHER THAN COMMUTATION. ............................................................... 0 VAR 0065 03010H NU REV 3R 915-943 MD=-999999 REF 0065 LOC 546 WIDTH 9 DK 9 COL 44-52 0 NUMBER OF REVENUE PASSENGER-MILES, PULLMAN COMPANY -------------------------------------------------- NBER SERIES: 03010H AREA COVERED: U.S. UNITS: MILLIONS OF MILES ANNUAL COVERAGE: 1915-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1915-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: UNITED STATES DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, JANUARY 1939, P. 18 NOTES: DATA REFER TO PASSENGER MILES FOR PAYING PASSENGERS. ............................................................... 0 VAR 0066 03010H NU REV 3S 915-942 MD=-999999 REF 0066 LOC 555 WIDTH 9 DK 9 COL 53-61 0 NUMBER OF REVENUE PASSENGER-MILES, PULLMAN COMPANY, SEASONALLY ADJUSTED --------------------------------------------------- NBER SERIES: 03010H AREA COVERED: U.S. UNITS: MILLIONS OF MILES 1 52 (ICPSR 7644) - (CONTINUED) - ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1915-10/1942 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: UNITED STATES DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, JANUARY 1939, P. 18 NOTES: DATA REFER TO PASSENGER MILES FOR PAYING PASSENGERS. ............................................................... 0 VAR 0067 03012C CO MUT 3R 921-956 MD=-999999 REF 0067 LOC 564 WIDTH 9 DK 9 COL 62-70 0 RAILROAD REVENUE PASSENGER-MILES, COMMUTATION, CLASS I RAILROADS ------------------------------------------------------ NBER SERIES: 03012C AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGER-MILES ANNUAL COVERAGE: 1922-1955 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1921-06/1956 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS NOTES: DATA BEGINNING JUNE 1955 ARE PRELIMINARY. ............................................................... 0 VAR 0068 03012C CO MUT 3S 921-948 MD=-999999 REF 0068 LOC 573 WIDTH 9 DK 9 COL 71-79 0 RAILROAD REVENUE PASSENGER-MILES, COMMUTATION, CLASS I RAILROADS, SEASONALLY ADJUSTED ------------------------------------------------------ NBER SERIES: 03012C AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGER-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1921-03/1948 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILROADS 1 (ICPSR 7644) 53 - DECK IDENTIFICATION NUMBER IS '10' DK 10 COL 1- 2 ---------------------------------- 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 10 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 10 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 10 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. 1 54 (ICPSR 7644) - 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 10 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 10 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0069 03012D CLASS 3R 921-948 MD=-999999 REF 0069 LOC 582 WIDTH 9 DK 10 COL 17-25 0 RAILROAD REVENUE PASSENGER-MILES, OTHER THAN COMMUTATION, CLASS I RAILROADS --------------------------------------------------------- 1 (ICPSR 7644) 55 - (CONTINUED) - NBER SERIES: 03012D AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGER-MILES ANNUAL COVERAGE: 1922-1947 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1921-03/1948 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS NOTES: DATA WERE COMPUTED BY SUBTRACTING COMMUTATION PASSENGERS FROM TOTAL PASSENGERS. PRELIMINARY DATA WERE USED BEGINNING APRIL 1947. ............................................................... 0 VAR 0070 03012D CLASS 3S 921-941 MD=-999999 REF 0070 LOC 591 WIDTH 9 DK 10 COL 26-34 0 RAILROAD REVENUE PASSENGER-MILES, OTHER THAN COMMUTATION, CLASS I RAILROADS, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03012D AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGER-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1921-12/1941 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS NOTES: DATA WERE COMPUTED BY SUBTRACTING COMMUTATION PASSENGERS FROM TOTAL PASSENGERS. ............................................................... 0 VAR 0071 03070 LOCOPAL 3R 920-943 MD=-999999 REF 0071 LOC 600 WIDTH 9 DK 10 COL 35-43 IMP DEC= 1 0 ROAD FREIGHT LOCOMOTIVE MILES, PRINCIPAL AND HELPER --------------------------------------------------- NBER SERIES: 03070 AREA COVERED: U.S. UNITS: MILLIONS OF LOCOMOTIVE- MILES ANNUAL COVERAGE: 1920-1943 1 56 (ICPSR 7644) - (CONTINUED) - QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, STATEMENTS M210 AND M211, "FREIGHT TRAIN PERFORMANCE" ............................................................... 0 VAR 0072 03070 LOCOPAL 3S 920-943 MD=-999999 REF 0072 LOC 609 WIDTH 9 DK 10 COL 44-52 IMP DEC= 1 0 ROAD FREIGHT LOCOMOTIVE MILES, PRINCIPAL AND HELPER, SEASONALLY ADJUSTED ---------------------------------------------------- NBER SERIES: 03070 AREA COVERED: U.S. UNITS: MILLIONS OF LOCOMOTIVE-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, STATEMENTS M210 AND M211, "FREIGHT TRAIN PERFORMANCE" ............................................................... 0 VAR 0073 03041 CAR LAD 3R 918-943 MD=-999999 REF 0073 LOC 618 WIDTH 9 DK 10 COL 53-61 0 FREIGHT CAR-MILES, LOADED ------------------------- NBER SERIES: 03041 AREA COVERED: U.S. UNITS: MILLIONS OF CAR-MILES ANNUAL COVERAGE: 1918-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1918-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1918-1919 WERE COMPUTED BY NBER; ALL OTHER DATA ARE FROM THE INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES; DATA FOR 1935-1943: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: SWITHCING AND TERMINAL COMPANIES ARE EXCLUDED. 1 (ICPSR 7644) 57 - (CONTINUED) - DATA FOR 1918-1919 WERE COMPUTED BY NBER BY DIVIDING SERIES 03001 (REVENUE AND NON-REVENUE FREIGHT TON MILES) BY SERIES 03002A (AVERAGE LOAD PER FREIGHT CAR). THE UNADJUSTED FIGURE FOR JANUARY 1920 WAS DERIVED BY SUBTRACTING FEBRUARY FIGURE FROM A CUMULATIVE TWO-MONTH TOTAL. ............................................................... 0 VAR 0074 03041 CAR LAD 3S 918-943 MD=-999999 REF 0074 LOC 627 WIDTH 9 DK 10 COL 62-70 0 FREIGHT CAR-MILES, LOADED, SEASONALLY ADJUSTED ---------------------------------------------- NBER SERIES: 03041 AREA COVERED: U.S. UNITS: MILLIONS OF CAR-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1918-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1918-1919 WERE COMPUTED BY NBER; ALL OTHER DATA ARE FROM THE INTERSTATE COMMERE COMMISSION, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES; DATA FOR 1935-1943: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: SWITHCING AND TERMINAL COMPANIES ARE EXCLUDED. DATA FOR 1918-1919 WERE COMPUTED BY NBER BY DIVIDING SERIES 03001 (REVENUE AND NON-REVENUE FREIGHT TON MILES) BY SERIES 03002A (AVERAGE LOAD PER FREIGHT CAR). THE UNADJUSTED FIGURE FOR JANUARY 1920 WAS DERIVED BY SUBTRACTING FEBRUARY FIGURE FROM A CUMULATIVE TWO-MONTH TOTAL. ............................................................... 0 VAR 0075 03042 FRE CAR 3R 920-943 MD=-999999 REF 0075 LOC 636 WIDTH 9 DK 10 COL 71-79 0 FREIGHT CAR-MILES, EMPTY, CLASS I RAILROADS ------------------------------------------- NBER SERIES: 03042 AREA COVERED: U.S. UNITS: MILLIONS OF CAR-MILES 1 58 (ICPSR 7644) - (CONTINUED) - ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES"; DATA FOR 1935-1943: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: SWITCHING AND TERMINAL COMPANIES ARE EXCLUDED. THE UNADJUSTED FIGURE FOR JANUARY 1920 WAS DERIVED BY SUBTRACTING THE KNOWN FEBRUARY FIGURE FROM A TWO-MONTH CUMULATIVE TOTAL. DECK IDENTIFICATION NUMBER IS '11' DK 11 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 11 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 11 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 11 COL 8-10 0 PART NUMBER ----------- 1 (ICPSR 7644) 59 - (CONTINUED) - A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 11 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 11 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN 1 60 (ICPSR 7644) - (CONTINUED) - ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0076 03042 FRE CAR 3S 920-943 MD=-999999 REF 0076 LOC 645 WIDTH 9 DK 11 COL 17-25 0 FREIGHT CAR-MILES, EMPTY, CLASS I RAILROADS, SEASONALLY ADJUSTED ------------------------------------------------------- NBER SERIES: 03042 AREA COVERED: U.S. UNITS: MILLIONS OF CAR-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES"; DATA FOR 1935-1943: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: SWITCHING AND TERMINAL COMPANIES ARE EXCLUDED. THE UNADJUSTED FIGURE FOR JANUARY 1920 WAS DERIVED BY SUBTRACTING THE KNOWN FEBRUARY FIGURE FROM A TWO-MONTH CUMULATIVE TOTAL. ............................................................... 0 VAR 0077 03043 LOADED 3R 920-942 MD=-999999 REF 0077 LOC 654 WIDTH 9 DK 11 COL 26-34 IMP DEC= 1 0 PERCENT LOADED OF TOTAL FREIGHT CAR-MILES, CLASS I RAILROADS ------------------------------------------------------------ NBER SERIES: 03043 AREA COVERED: U.S. UNITS: PERCENT ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1942 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS 1 (ICPSR 7644) 61 - (CONTINUED) - I STEAM RAILWAYS IN THE UNITED STATES"; DATA FOR 1935-1942: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. THE FIGURE FOR JANUARY 1920 WAS COMPUTED BY NBER BY DIVIDING LOADED CARS BY LOADED AND EMPTY. DATA FOR JULY-SEPTEMBER OF 1922 WERE AFFECTED BY A SHOPMENS' STRIKE. ............................................................... 0 VAR 0078 03043 LOADED 3S 920-943 MD=-999999 REF 0078 LOC 663 WIDTH 9 DK 11 COL 35-43 IMP DEC= 1 0 PERCENT LOADED OF TOTAL FREIGHT CAR-MILES, CLASS I RAILROADS, SEASONALLY ADJUSTED -------------------------------------------------- NBER SERIES: 03043 AREA COVERED: U.S. UNITS: PERCENT ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES"; DATA FOR 1935-1942: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. SEASONALLY ADJUSTED FIGURES WERE OBTAINED BY DIVIDING SERIES 03041 (LOADED FREIGHT CARS) BY SERIES 03041 AND SERIES 03042 (EMPTY FREIGHT CARS). THE RAW FIGURE FOR JANUARY 1920 WAS DERIVED BY THE SAME METHOD. DATA FOR JULY-SEPTEMBER OF 1922 WERE AFFECTED BY A SHOPMENS' STRIKE. ............................................................... 0 VAR 0079 03044 WEST OF 3R 920-942 MD=-999999 REF 0079 LOC 672 WIDTH 9 DK 11 COL 44-52 IMP DEC= 1 0 PERCENT WESTBOUND OF TOTAL LOADED FREIGHT CAR-MILES, CLASS I RAILROADS ------------------------------------------------------------ 1 62 (ICPSR 7644) - (CONTINUED) - NBER SERIES: 03044 AREA COVERED: U.S. UNITS: PERCENT ANNUAL COVERAGE: 1921-1941 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 02/1920-06/1942 SEASONAL ADJUSTMENT: NONE SOURCE: DATA WERE COMPUTED BY NBER FROM INTERSTATE COMMERCE COMMISSION SOURCES, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES; DATA FOR 1935-1942: "FREIGHT AND TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: DATA ARE GIVEN IN SOURCES AS "PERCENT EASTBOUND OF TOTAL LOADED FREIGHT CAR-MILES." THIS VARIABLE WAS COMPUTED BY DEDUCTING THE GIVEN FIGURE FROM 100. FOR THE PERIOD 1920-1934, THE ITEM SUBTRACTED FROM 100 WAS "PERCENT LOADED EAST." DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. ............................................................... 0 VAR 0080 03044 WEST OF 3S 920-942 MD=-999999 REF 0080 LOC 681 WIDTH 9 DK 11 COL 53-61 IMP DEC= 1 0 PERCENT WESTBOUND OF TOTAL LOADED FREIGHT CAR-MILES, CLASS I RAILROADS, SEASONALLY ADJUSTED ------------------------------------------------------------ NBER SERIES: 03044 AREA COVERED: U.S. UNITS: PERCENT ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 02/1920-06/1942 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA WERE COMPUTED BY NBER FROM INTERSTATE COMMERCE COMMISSION SOURCES, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES"; DATA FOR 1935-1942: "FREIGHT AND TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: DATA ARE GIVEN IN SOURCES AS "PERCENT EASTBOUND OF TOTAL LOADED FREIGHT CAR-MILES." THIS VARIABLE WAS COMPUTED BY DEDUCTING THE GIVEN FIGURE FROM 100. FOR THE PERIOD 1920-1934, THE ITEM SUBTRACTED FROM 100 WAS "PERCENT LOADED EAST." 1 (ICPSR 7644) 63 - (CONTINUED) - DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. ............................................................... 0 VAR 0081 03045 IN MILE 3R 920-943 MD=-999999 REF 0081 LOC 690 WIDTH 9 DK 11 COL 62-70 IMP DEC= 1 0 FREIGHT TRAIN-MILES, CLASS I RAILROADS -------------------------------------- NBER SERIES: 03045 AREA COVERED: U.S. UNITS: MILLIONS OF TRAIN-MILES ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES"; DATA FOR 1935-1943: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. THE UNADJUSTED FIGURE FOR JANUARY 1920 WAS COMPUTED BY SUBTRACTING THE KNOWN FEBRUARY FIGURE FROM A TWO-MONTH CUMULATIVE TOTAL. ............................................................... 0 VAR 0082 03045 IN MILE 3S 920-943 MD=-999999 REF 0082 LOC 699 WIDTH 9 DK 11 COL 71-79 IMP DEC= 1 0 FREIGHT TRAIN-MILES, CLASS I RAILROADS, SEASONALLY ADJUSTED ----------------------------------------------------------- NBER SERIES: 03045 AREA COVERED: U.S. UNITS: MILLIONS OF TRAIN-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES"; DATA FOR 1935-1943: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" 1 64 (ICPSR 7644) - (CONTINUED) - NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. THE UNADJUSTED FIGURE FOR JANUARY 1920 WAS COMPUTED BY SUBTRACTING THE KNOWN FEBRUARY FIGURE FROM A TWO-MONTH CUMULATIVE TOTAL. DECK IDENTIFICATION NUMBER IS '12' DK 12 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 12 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 12 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 12 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". 1 (ICPSR 7644) 65 - (CONTINUED) - THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 12 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 12 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. 1 66 (ICPSR 7644) - 0 VAR 0083 03074 WGNTRAN 3R 920-939 MD=-999999 REF 0083 LOC 708 WIDTH 9 DK 12 COL 17-25 0 WAGON-MILES, TOTAL, LOADED AND EMPTY ------------------------------------ NBER SERIES: 03074 AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF WAGON-MILES ANNUAL COVERAGE: 1920-1938 QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: MINISTRY OF TRANSPORT, SUCCESSIVE ISSUES OF "RAILWAY STATISTICS" ............................................................... 0 VAR 0084 03074 WGNTRAN 3S 920-939 MD=-999999 REF 0084 LOC 717 WIDTH 9 DK 12 COL 26-34 0 WAGON-MILES, TOTAL, LOADED AND EMPTY, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03074 AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF WAGON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: MINISTRY OF TRANSPORT, SUCCESSIVE ISSUES OF "RAILWAY STATISTICS" ............................................................... 0 VAR 0085 03075 WAGONMI 3R 920-939 MD=-999999 REF 0085 LOC 726 WIDTH 9 DK 12 COL 35-43 0 LOADED WAGON-MILES ------------------ NBER SERIES: 03075 AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF WAGON-MILES ANNUAL COVERAGE: 1920-1938 QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 1 (ICPSR 7644) 67 - (CONTINUED) - MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: MINISTRY OF TRANSPORT, SUCCESSIVE ISSUES OF "RAILWAY STATISTICS" ............................................................... 0 VAR 0086 03075 WAGONMI 3S 920-952 MD=-999999 REF 0086 LOC 735 WIDTH 9 DK 12 COL 44-52 0 LOADED WAGON-MILES, SEASONALLY ADJUSTED --------------------------------------- NBER SERIES: 03075 AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF WAGON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939; FIRST,1944 - FOURTH,1952 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1920-1939: MINISTRY OF TRANSPORT, SUCCESSIVE ISSUES OF "RAILWAY STATISTICS"; DATA FOR 1944-1952 WERE DERIVED BY NBER BY ADDING FIGURES FOR MERCHANDISE AND LIVESTOCK, COAL AND COKE, MINERALS ............................................................... 0 VAR 0087 03076 WAG WAG 3R 920-939 MD=-999999 REF 0087 LOC 744 WIDTH 9 DK 12 COL 53-61 0 RATIO OF LOADED WAGON-MILES TO TOTAL WAGON-MILES ------------------------------------------------ NBER SERIES: 03076 AREA COVERED: GREAT BRITAIN UNITS: ONE-TENTH OF ONE PERCENT ANNUAL COVERAGE: 1920-1938 QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: NBER DERIVED DATA BY DIVIDING SERIES 03075 (LOADED WAGON-MILES) BY SERIES 03074 (TOTAL WAGON-MILES) 1 68 (ICPSR 7644) - 0 VAR 0088 03076 WAG WAG 3S 920-939 MD=-999999 REF 0088 LOC 753 WIDTH 9 DK 12 COL 62-70 0 RATIO OF LOADED WAGON-MILES TO TOTAL WAGON-MILES, SEASONALLY ADJUSTED ------------------------------------------------------------ NBER SERIES: 03076 AREA COVERED: GREAT BRITAIN UNITS: ONE-TENTH OF ONE PERCENT ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: NBER DERIVED DATA BY DIVIDING SERIES 03075 (LOADED WAGON-MILES) BY SERIES 03074 (TOTAL WAGON-MILES) ............................................................... 0 VAR 0089 03078 TRAMMIL 3R 920-952 MD=-999999 REF 0089 LOC 762 WIDTH 9 DK 12 COL 71-79 IMP DEC= 2 0 FREIGHT TRAIN-MILES ------------------- NBER SERIES: 03078 AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF TRAIN-MILES ANNUAL COVERAGE: 1920-1938, 1944-1952 QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939; FIRST,1944 - FOURTH,1952 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1920-1939: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS," SUCCESSIVE COPIES, JANUARY 1921-MAY 1939; DATA FOR 1944-1952: NBER DECK IDENTIFICATION NUMBER IS '13' DK 13 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 13 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ 1 (ICPSR 7644) 69 - (CONTINUED) - THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 13 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 13 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 13 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE 1 70 (ICPSR 7644) - (CONTINUED) - LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 13 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0090 03078 TRAMMIL 3S 920-952 MD=-999999 REF 0090 LOC 771 WIDTH 9 DK 13 COL 17-25 IMP DEC= 2 0 FREIGHT TRAIN-MILES, SEASONALLY ADJUSTED ---------------------------------------- NBER SERIES: 03078 AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939; FIRST,1944 - FOURTH,1952 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1920-1939: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS," SUCCESSIVE COPIES, JANUARY 1921-MAY 1939; DATA FOR 1944-1952: NBER 1 (ICPSR 7644) 71 - 0 VAR 0091 03049 IN OURS 3R 920-943 MD=-999999 REF 0091 LOC 780 WIDTH 9 DK 13 COL 26-34 0 FREIGHT TRAIN-HOURS, CLASS I RAILROADS -------------------------------------- NBER SERIES: 03049 AREA COVERED: U.S. UNITS: THOUSANDS OF TRAIN-HOURS ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES"; DATA FOR 1935-1943: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. THE UNADJUSTED FIGURES FOR JANUARY-MARCH 1920 WERE COMPUTED BY NBER. BEGINNING IN 1935, THE SOURCE TITLE INCLUDES THE STATEMENT THAT "TRAIN-SWITCHING HOURS AT WAY STATIONS" ARE INCLUDED IN THE DATA. ............................................................... 0 VAR 0092 03049 IN OURS 3S 920-943 MD=-999999 REF 0092 LOC 789 WIDTH 9 DK 13 COL 35-43 0 FREIGHT TRAIN-HOURS, CLASS I RAILROADS, SEASONALLY ADJUSTED ----------------------------------------------------------- NBER SERIES: 03049 AREA COVERED: U.S. UNITS: THOUSANDS OF TRAIN-HOURS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES"; DATA FOR 1935-1943: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. 1 72 (ICPSR 7644) - (CONTINUED) - THE UNADJUSTED FIGURES FOR JANUARY-MARCH 1920 WERE COMPUTED BY NBER. BEGINNING IN 1935, THE SOURCE TITLE INCLUDES THE STATEMENT THAT "TRAIN-SWITCHING HOURS AT WAY STATIONS" ARE INCLUDED IN THE DATA. ............................................................... 0 VAR 0093 03080 AIN OUR 3R 920-939 MD=-999999 REF 0093 LOC 798 WIDTH 9 DK 13 COL 44-52 0 FREIGHT TRAIN-HOURS ------------------- NBER SERIES: 03080 AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF HOURS ANNUAL COVERAGE: 1920-1938 QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: MINISTRY OF TRANSPORT, SUCCESSIVE ISSUES OF "RAILWAY STATISTICS" NOTES: DURING PROCESSING IT WAS DISCOVERED THAT MONTHLY AND QUARTERLY FIGURES FOR 1931 AS PROVIDED BY NBER DO NOT AGREE, BUT DATA HAVE NOT BEEN CHANGED. THE ANNUAL FIGURE PROVIDED HERE WAS COMPUTED FROM MONTHLY DATA. ............................................................... 0 VAR 0094 03080 AIN OUR 3S 920-939 MD=-999999 REF 0094 LOC 807 WIDTH 9 DK 13 COL 53-61 0 FREIGHT TRAIN-HOURS, SEASONALLY ADJUSTED ---------------------------------------- NBER SERIES: 03080 AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF HOURS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: MINISTRY OF TRANSPORT, SUCCESSIVE ISSUES OF "RAILWAY STATISTICS" NOTES: DURING PROCESSING IT WAS DISCOVERED THAT MONTHLY AND 1 (ICPSR 7644) 73 - (CONTINUED) - QUARTERLY FIGURES FOR 1931 AS PROVIDED BY NBER DO NOT AGREE, BUT DATA HAVE BEEN NOT BEEN CHANGED. ............................................................... 0 VAR 0095 03047 OF VICE 3R 920-943 MD=-999999 REF 0095 LOC 816 WIDTH 9 DK 13 COL 62-70 0 TONS OF COAL OR EQUIVALENT CONSUMED IN ROAD FREIGHT SERVICES, CLASS I RAILROADS --------------------------------------------------- NBER SERIES: 03047 AREA COVERED: U.S. UNITS: THOUSANDS OF SHORT TONS ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-09/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1935: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". DATA FOR 1936-1942: "FUEL AND POWER FOR LOCOMOTIVES AND RAILMOTOR CARRIERS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA INCLUDE ALLOWANCES FOR FUEL OIL CONSUMED BY STEAM LOCOMOTIVES BUT, PRIOR TO 1935 (OR 1936) NOT FOR FUEL OR POWER CONSUMED BY OTHER TYPES OF LOCOMOTIVES. IN 1941 LESS THAN THREE PERCENT OF THE TOTAL LOCOMOTIVE MILEAGE WAS PERFORMED BY THESE TYPES. DATA FOR 1920-1936 EXCLUDE SWITCHING AND TERMINAL COMPANIES; DATA FOR 1937-1942 INCLUDE TERMINAL AND SWITCHING COMPANIES. 1937 FIGURES EXCLUDING THESE COMPANIES SHOW THE DIFFERENCE TO BE NEGLIGIBLE. DATA FOR JANUARY 1920 WERE DERIVED BY SUBTRACTING THE KNOWN FEBRUARY FIGURE FROM A TWO MONTH CUMULATIVE TOTAL. DATA FOR 1935 ARE AS FIRST PUBLISHED; THEY WERE NOT PUBLISHED WITH REVISIONS IN THE FOLLOWING YEAR AS WAS THE CASE WITH ALL OTHER YEARS. ............................................................... 0 VAR 0096 03047 OF VICE 3S 920-943 MD=-999999 REF 0096 LOC 825 WIDTH 9 DK 13 COL 71-79 0 TONS OF COAL OR EQUIVALENT CONSUMED IN ROAD FREIGHT SERVICES, CLASS I RAILROADS, SEASONALLY ADJUSTED --------------------------------------------------- 1 74 (ICPSR 7644) - (CONTINUED) - NBER SERIES: 03047 AREA COVERED: U.S. UNITS: THOUSANDS OF SHORT TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-09/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1935: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". DATA FOR 1936-1942: "FUEL AND POWER FOR LOCOMOTIVES AND RAILMOTOR CARRIERS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA INCLUDE ALLOWANCES FOR FUEL OIL CONSUMED BY STEAM LOCOMOTIVES BUT, PRIOR TO 1935 (OR 1936) NOT FOR FUEL OR POWER CONSUMED BY OTHER TYPES OF LOCOMOTIVES. IN 1941 LESS THAN THREE PERCENT OF THE TOTAL LOCOMOTIVE MILEAGE WAS PERFORMED BY THESE TYPES. DATA FOR 1920-1936 EXCLUDE SWITCHING AND TERMINAL COMPANIES; DATA FOR 1937-1942 INCLUDE TERMINAL AND SWITCHING COMPANIES. 1937 FIGURES EXCLUDING THESE COMPANIES SHOW THE DIFFERENCE TO BE NEGLIGIBLE. DATA FOR JANUARY 1920 WERE DERIVED BY SUBTRACTING THE KNOWN FEBRUARY FIGURE FROM A TWO MONTH CUMULATIVE TOTAL. DATA FOR 1935 ARE AS FIRST PUBLISHED; THEY WERE NOT PUBLISHED WITH REVISIONS IN THE FOLLOWING YEAR AS WAS THE CASE WITH ALL OTHER YEARS. DECK IDENTIFICATION NUMBER IS '14' DK 14 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 14 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. 1 (ICPSR 7644) 75 - 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 14 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 14 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 14 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. 1 76 (ICPSR 7644) - (CONTINUED) - THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 14 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0097 03082 CO TEAM 3R 921-935 MD=-999999 REF 0097 LOC 834 WIDTH 9 DK 14 COL 17-25 0 AGGREGATE COAL CONSUMPTION BY FREIGHT STEAM LOCOMOTIVES ------------------------------------------------------- NBER SERIES: 03082 AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF POUNDS OF COAL ANNUAL COVERAGE: 1922-1935 QUARTERLY COVERAGE: FIRST,1931 - FOURTH,1935 MONTHLY COVERAGE: 08/1921-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: COMPUTED BY NBER FROM MINISTRY OF TRANSPORT DATA IN "RAILWAY STATISTICS". NOTES: SERIES 03082 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1921-1935 (2)--SEASONALLY ADJUSTED DATA, 1921-1935 (3)--ORIGINAL DATA, 1935-1939 (4)--SEASONALLY ADJUSTED, 1935-1939. DATA FOR 1921-1935 WERE DERIVED BY NBER BY ADDING FREIGHT STEAM LOCOMOTIVE MILES TO DEPARTMENTAL MILES, SUBTRACTING SHUNTING BY FREIGHT SHUNTING STEAM ENGINE-MILES, AND MULTIPLYING THE RESULT BY POUNDS OF COAL CONSUMPTION BY 1 (ICPSR 7644) 77 - (CONTINUED) - FREIGHT STEAM LOCOMOTIVES (INCLUDING DEPARTMENTAL). DURING PROCESSING IT WAS DISCOVERED THAT MONTHLY AND QUARTERLY FIGURES FOR 1931 AS PROVIDED BY NBER DO NOT AGREE, BUT DATA HAVE NOT BEEN CHANGED. THE ANNUAL FIGURE PROVIDED HERE WAS COMPUTED FROM MONTHLY DATA. ............................................................... 0 VAR 0098 03082 CO TEAM 3S 921-935 MD=-999999 REF 0098 LOC 843 WIDTH 9 DK 14 COL 26-34 0 AGGREGATE COAL CONSUMPTION BY FREIGHT STEAM LOCOMOTIVES, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03082 AREA COVERED: GREAT BRITAIN UNITS: MILLINS OF POUND OF COAL ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FOURTH,1935 MONTHLY COVERAGE: 08/1921-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: COMPUTED BY NBER FROM MINISTRY OF TRANSPORT DATA IN "RAILWAY STATISTICS". NOTES: SERIES 03082 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1921-1935 (2)--SEASONALLY ADJUSTED DATA, 1921-1935 (3)--ORIGINAL DATA, 1935-1939 (4)--SEASONALLY ADJUSTED, 1935-1939. DATA FOR 1921-1935 WERE DERIVED BY NBER BY ADDING FREIGHT STEAM LOCOMOTIVE MILES TO DEPARTMENTAL MILES, SUBTRACTING SHUNTING BY FREIGHT SHUNTING STEAM ENGINE-MILES, AND MULTIPLYING THE RESULT BY POUNDS OF COAL CONSUMPTION BY FREIGHT STEAM LOCOMOTIVES (INCLUDING DEPARTMENTAL). DURING PROCESSING IT WAS DISCOVERED THAT MONTHLY AND QUARTERLY FIGURES FOR 1931 AS PROVIDED BY NBER DO NOT AGREE, BUT DATA HAVE NOT BEEN CHANGED. ............................................................... 0 VAR 0099 03082 CO TEAM 2R 935-939 MD=-999999 REF 0099 LOC 852 WIDTH 9 DK 14 COL 35-43 0 AGGREGATE COAL CONSUMPTION BY FREIGHT STEAM LOCOMOTIVES ------------------------------------------------------- NBER SERIES: 03082 AREA COVERED: GREAT BRITAIN 1 78 (ICPSR 7644) - (CONTINUED) - UNITS: MILLIONS OF POUNDS OF COAL ANNUAL COVERAGE: 1935-1938 QUARTERLY COVERAGE: FIRST,1935 - FIRST,1939 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: COMPUTED BY NBER FROM MINISTRY OF TRANSPORT DATA IN "RAILWAY STATISTICS". NOTES: SERIES 03082 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1921-1935 (2)--SEASONALLY ADJUSTED DATA, 1921-1935 (3)--ORIGINAL DATA, 1935-1939 (4)--SEASONALLY ADJUSTED, 1935-1939. DATA WERE DERIVED BY ADDING FREIGHT STEAM LOOCOMOTIVE MILES TO DEPARTMENTAL MILES AND MULTIPLYING THE RESULT BY POUNDS OF COAL CONSUMED PER ENGINE-MILE OF FREIGHT (INCLUDING DEPARTMENTAL AND SHUNTING). ............................................................... 0 VAR 0100 03082 CO TEAM 2S 935-939 MD=-999999 REF 0100 LOC 861 WIDTH 9 DK 14 COL 44-52 0 AGGREGATE COAL CONSMPTION BY FREIGHT STEAM LOCOMOTIVES, SEASONALLY ADJUSTED ------------------------------------------------------- NBER SERIES: 03082 AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF POUNDS OF COAL ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1935 - FIRST,1939 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: COMPUTED BY NBER FROM MINISTRY OF TRANSPORT DATA IN "RAILWAY STATISTICS". NOTES: SERIES 03082 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1921-1935 (2)--SEASONALLY ADJUSTED DATA, 1921-1935 (3)--ORIGINAL DATA, 1935-1939 (4)--SEASONALLY ADJUSTED, 1935-1939. DATA WERE DERIVED BY ADDING FREIGHT STEAM LOOCOMOTIVE MILES TO DEPARTMENTAL MILES AND MULTIPLYING THE RESULT BY POUNDS OF COAL CONSUMED PER ENGINE-MILE OF FREIGHT (INCLUDING DEPARTMENTAL AND SHUNTING). 1 (ICPSR 7644) 79 - 0 VAR 0101 03055 SER VIC 3R 920-943 MD=-999999 REF 0101 LOC 870 WIDTH 9 DK 14 COL 53-61 0 REVENUE TON-MILES PER SERVICEABLE FREIGHT LOCOMOTIVE, CLASS I RAILROADS ----------------------------------------------------------- NBER SERIES: 03055 AREA COVERED: U.S. UNITS: THOUSANDS OF REVENUE TON-MILES ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-03/1943; 06-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: DATA COMPUTED BY NBER FROM SERIES 03003 (REVENUE TON-MILES) AND SERIES 01251 (SERVICEABLE FREIGHT LOCOMOTIVES); BOTH SERIES ARE BASED ON INTERSTATE COMMERCE COMMISSION SOURCES. NOTES: SERIES 03003 EXCLUDES SWITCHING AND TERMINAL COMPANIES THROUGHOUT; SERIES 01251 INCLUDES SWITCHING AND TERMINAL COMPANIES FROM FEBRUARY 1937 ON. DATA FOR 1921-JANUARY 1935 ARE BASED ON DAILY AVERAGES. DATA FOR FEBRUARY 1935-AUGUST 1943 ARE BASED ON FIRST OF THE MONTH (THE PUBLISHED END-OF-MONTH FIGURES BEING PLACED FORWARD ONE MONTH) CENTERED BY A TWO MONTH MOVING AVERAGE. FOR 1920, NO SERVICEABLE FREIGHT LOCOMOTIVE DATA WERE AVAILABLE FOR THE NEW YORK CENTRAL RAILROAD. ............................................................... 0 VAR 0102 03055 SER VIC 3S 920-943 MD=-999999 REF 0102 LOC 879 WIDTH 9 DK 14 COL 62-70 0 REVENUE TON-MILES PER SERVICEABLE FREIGHT LOCOMOTIVES, CLASS I RAILROADS, SEASONALLY ADJUSTED ------------------------------------------------------------ NBER SERIES: 03055 AREA COVERED: U.S. UNITS: REVENUE THOUSANDS OF TON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-03/1943; 06-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA COMPUTED BY NBER FROM SERIES 03003 (REVENUE TON-MILES) AND SERIES 01251 (SERVICEABLE FREIGHT LOCOMOTIVES); BOTH SERIES ARE BASED ON INTERSTATE COMMERCE 1 80 (ICPSR 7644) - (CONTINUED) - COMMISSION SOURCES. NOTES: SERIES 03003 EXCLUDES SWITCHING AND TERMINAL COMPANIES THROUGHOUT; SERIES 01251 INCLUDES SWITCHING AND TERMINAL COMPANIES FROM FEBRUARY 1937 ON. DATA FOR 1921-JANUARY 1935 ARE BASED ON DAILY AVERAGES. DATA FOR FEBRUARY 1935-AUGUST 1943 ARE BASED ON FIRST OF THE MONTH (THE PUBLISHED END-OF-MONTH FIGURES BEING PLACED FORWARD ONE MONTH) CENTERED BY A TWO MONTH MOVING AVERAGE. SERIES 03055 SEASONAL INDEX COMPUTED BY DIVIDING THE SEASONAL INDEX OF SERIES 03003 BY THE SEASONAL INDEX OF SERIES 01251. FOR 1920, NO SERVICEABLE FREIGHT LOCOMOTIVE DATA WERE AVAILABLE FOR THE NEW YORK CENTRAL RAILROAD. ............................................................... 0 VAR 0103 03066 MO TIVE 3S 920-943 MD=-999999 REF 0103 LOC 888 WIDTH 9 DK 14 COL 71-79 0 REVENUE TON-MILES PER LOCOMOTIVE ASSIGNED TO FREIGHT SERVICE, SEASONALLY ADJUSTED ---------------------------------------------------- NBER SERIES: 03066 AREA COVERED: U.S. UNITS: THOUSANDS OF TON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 02/1920-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: COMPUTED BY NBER BY DIVIDING SEASONAL VALUES OF SERIES 03003 REVENUE TON-MILES) BY SEASONAL VALUES OF SERIES 01250 (TOTAL LOCOMOTIVES ASSIGNED TO FREIGHT SERVICE). NOTES: DATA FOR JANUARY 1920 WERE NOT AVAILABLE FOR SERIES 01250. DECK IDENTIFICATION NUMBER IS '15' DK 15 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 15 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ 1 (ICPSR 7644) 81 - (CONTINUED) - THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 15 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 15 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 15 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE 1 82 (ICPSR 7644) - (CONTINUED) - LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 15 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0104 03056 RE VICE 3R 920-943 MD=-999999 REF 0104 LOC 897 WIDTH 9 DK 15 COL 17-25 IMP DEC= 2 0 REVENUE TON-MILES PER SERVICEABLE FREIGHT CAR, CLASS I RAILROADS ------------------------------------------------------ NBER SERIES: 03056 AREA COVERED: U.S. UNITS: THOUSANDS OF REVENUE TON-MILES ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-03/1943, 06-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03003 (REVENUE TON-MILES) BY SERIES 01254 (SERVICEABLE FREIGHT CARS); BOTH SERIES ARE BASED ON INTERSTATE COMMERCE COMMISSION SOURCES. 1 (ICPSR 7644) 83 - (CONTINUED) - NOTES: SERIES 01254 (SERVICEABLE FREIGHT CARS) INCLUDES SWITCHING AND TERMINAL COMPANIES FROM FEBRUARY 1937 ON. SERIES 03003 (REVENUE TON-MILIES) EXCLUDES THESE TRHOUGHOUT. DATA FOR SERIES 01254 FROM 1920-JANUARY 1935 ARE BASED ON DAILY AVERAGES; DATA FROM FEBRUARY 1935-1943 ARE BASED ON FIRST OF THE MONTH DATA, THE PUBLISHED END-OF-MONTH FIGURES BEING PLACED FORWARD ONE MONTH, CENTERED BY A MOVING AVERAGE ON THE SECOND MONTH. ............................................................... 0 VAR 0105 03056 RE VICE 3S 920-943 MD=-999999 REF 0105 LOC 906 WIDTH 9 DK 15 COL 26-34 IMP DEC= 2 0 REVENUE TON-MILES PER SEVICEABLE FREIGHT CAR, CLASS I RAILROADS, SEASONALLY ADJUSTED ----------------------------------------------------- NBER SERIES: 03056 AREA COVERED: U.S. UNITS: THOUSANDS OF TON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-03/1943; 06-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03003 (REVENUE TON-MILES) BY SERIES 01254 (SERVICEABLE FREIGHT CARS); BOTH SERIES ARE BASED ON INTERSTATE COMMERCE COMMISSION SOURCES. NOTES: SERIES 01254 (SERVICEABLE FREIGHT CARS) INCLUDES SWITCHING AND TERMINAL COMPANIES FROM FEBRUARY 1937 ON. SERIES 03003 (REVENUE TON-MILIES) EXCLUDES THESE TRHOUGHOUT. DATA FOR SERIES 01254 FROM 1920-JANUARY 1935 ARE BASED ON DAILY AVERAGES; DATA FROM FEBRUARY 1935-1943 ARE BASED ON FIRST OF THE MONTH DATA, THE PUBLISHED END-OF-MONTH FIGURES BEING PLACED FORWARD ONE MONTH, CENTERED BY A MOVING AVERAGE ON THE SECOND MONTH. ............................................................... 0 VAR 0106 03067 ON LINE 3S 920-943 MD=-999999 REF 0106 LOC 915 WIDTH 9 DK 15 COL 35-43 IMP DEC= 2 0 REVENUE TON-MILES PER FREIGHT CAR ON LINE, SEASONALLY ADJUSTED ----------------------------------------------------- NBER SERIES: 03067 1 84 (ICPSR 7644) - (CONTINUED) - AREA COVERED: U.S. UNITS: THOUSANDS OF TON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03003 (REVENUE TON-MILES) BY SERIES 01253 (TOTAL FREIGHT CARS ON LINE). NOTES: DATA INCLUDE UNSERVICEABLE UNITS. ............................................................... 0 VAR 0107 03058 LES PER 3R 920-943 MD=-999999 REF 0107 LOC 924 WIDTH 9 DK 15 COL 44-52 IMP DEC= 1 0 LOADED FREIGHT CAR-MILES PER TRAIN-MILE --------------------------------------- NBER SERIES: 03058 AREA COVERED: U.S. UNITS: CAR-MILES ANNUAL COVERAGE: 1920-1943 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: COMPUTED BY NBER FROM SERIES 03041 (FREIGHT CAR-MILES) AND 03045 (FREIGHT TRAIN-MILES). DATA FIR 1935-1942: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. DATA FOR 1920-1934 INCLUDE LIGHT TRAINS; DATA FOR 1935-1942 EXCLUDE LIGHT TRAINS. ............................................................... 0 VAR 0108 03058 LES PER 3S 920-943 MD=-999999 REF 0108 LOC 933 WIDTH 9 DK 15 COL 53-61 IMP DEC= 1 0 LOADED FREIGHT CAR-MILES PER TRAIN-MILE, SEASONALLY ADJUSTED ------------------------------------------------------------ NBER SERIES: 03058 AREA COVERED: U.S. UNITS: CAR-MILES ANNUAL COVERAGE: NONE 1 (ICPSR 7644) 85 - (CONTINUED) - QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: COMPUTED BY NBER FROM SERIES 03041 (FREIGHT CAR-MILES) AND 03045 (FREIGHT TRAIN-MILES). DATA FIR 1935-1942: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. DATA FOR 1920-1934 INCLUDE LIGHT TRAINS; DATA FOR 1935-1942 EXCLUDE LIGHT TRAINS. ............................................................... 0 VAR 0109 03002A AVE LO 3R 918-943 MD=-999999 REF 0109 LOC 942 WIDTH 9 DK 15 COL 62-70 IMP DEC= 1 0 AVERAGE LOAD PER FREIGHT CAR, CLASS I STEAM RAILROADS ----------------------------------------------------- NBER SERIES: 03002A AREA COVERED: U.S. UNITS: SHORT TONS ANNUAL COVERAGE: 1918-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1918-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1918-JANUARY 1920: AMERICAN RAILWAY ASSOCIATION ANNUAL BULLETIN, 1922, P. 9. DATA FOR 1920-1934: INTERSTATE COMMERCE COMMISION, "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". DATA FOR 1935-1943: ICC, "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA ARE FOR NON-REVENUE AND REVENUE FREIGHT. DATA FOR 1920-1943 EXCLUDE SWITCHING AND TERMINAL COMPANIES. BEGINNING JULY 1929, REPORTS ARE TITLED "NET TON-MILES PER LOADED CAR-MILE." DATA, HOWEVER, ARE COMPARABLE THROUGHOUT. 1 86 (ICPSR 7644) - 0 VAR 0110 03002A AVE LO 3S 918-943 MD=-999999 REF 0110 LOC 951 WIDTH 9 DK 15 COL 71-79 IMP DEC= 1 0 AVERAGE LOAD PER FREIGHT CAR, CLASS I STEAM RAILROADS, SEASONALLY ADJUSTED ------------------------------------------------------ NBER SERIES: 03002A AREA COVERED: U.S. UNITS: SHORT TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1918-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1918-JANUARY 1920: AMERICAN RAILWAY ASSOCIATION ANNUAL BULLETIN, 1922, P. 9. DATA FOR 1920-1934: INTERSTATE COMMERCE COMMISION, "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". DATA FOR 1935-1943: ICC, "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA ARE FOR NON-REVENUE AND REVENUE FREIGHT. DATA FOR 1920-1943 EXCLUDE SWITCHING AND TERMINAL COMPANIES. BEGINNING JULY 1929, REPORTS ARE TITLED "NET TON-MILES PER LOADED CAR-MILE." DATA, HOWEVER, ARE COMPARABLE THROUGHOUT. DECK IDENTIFICATION NUMBER IS '16' DK 16 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 16 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. 1 (ICPSR 7644) 87 - 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 16 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 16 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 16 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. 1 88 (ICPSR 7644) - (CONTINUED) - THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 16 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0111 03046 NET AIL 3R 920-943 MD=-999999 REF 0111 LOC 960 WIDTH 9 DK 16 COL 17-25 0 NET TON-MILES PER TRAIN-MILE, CLASS I RAILROADS ----------------------------------------------- NBER SERIES: 03046 AREA COVERED: U.S. UNITS: TON-MILES ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISION, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". DATA FOR 1935-1943: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA WERE OBTAINED BY NBER BY DIVIDING SERIES 03001 (RAILROAD REVENUE AND NON-REVENUE FREIGHT TON-MILES) BY SERIES 03045 (FREIGHT TRAIN-MILES). NON-REVENUE TON-MILES ARE INCLUDED IN THE DATA FOR SERIES 03045. DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES 1 (ICPSR 7644) 89 - (CONTINUED) - THROUGHOUT. ............................................................... 0 VAR 0112 03046 NET AIL 3S 920-943 MD=-999999 REF 0112 LOC 969 WIDTH 9 DK 16 COL 26-34 0 NET TON-MILES PER TRAIN-MILE, CLASS I RAILROADS, SEASONALLY ADJUSTED ----------------------------------------------------------- NBER SERIES: 03046 AREA COVERED: U.S. UNITS: TON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISION, DATA FOR 1920-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". DATA FOR 1935-1943: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA WERE OBTAINED BY NBER BY DIVIDING SERIES 03001 (RAILROAD REVENUE AND NON-REVENUE FREIGHT TON-MILES) BY SERIES 03045 (FREIGHT TRAIN-MILES). NON-REVENUE TON-MILES ARE INCLUDED IN THE DATA FOR SERIES 03045. DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES THROUGHOUT. ............................................................... 0 VAR 0113 03050 MIPERHR 3R 920-943 MD=-999999 REF 0113 LOC 978 WIDTH 9 DK 16 COL 35-43 IMP DEC= 1 0 TRAIN-MILES PER TRAIN-HOUR, FREIGHT SERVICE, CLASS I RAILROADS ---------------------------------------------------- NBER SERIES: 03050 AREA COVERED: U.S. UNITS: TRAIN-MILES ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-03/1943; 06-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: 1 90 (ICPSR 7644) - (CONTINUED) - "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". DATA FOR 1935-1943: "FREIGHT TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES THROUGHOUT. ............................................................... 0 VAR 0114 03050 MIPERHR 3S 920-942 MD=-999999 REF 0114 LOC 987 WIDTH 9 DK 16 COL 44-52 IMP DEC= 1 0 TRAIN-MILES PER TRAIN-HOUR, FREIGHT SERVICE, CLASS I RAILROADS, SEASONALLY ADJUSTED ---------------------------------------------------- NBER SERIES: 03050 AREA COVERED: U.S. UNITS: TRAIN-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-03/1943 06-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: NBER DERIVED DATA FROM INTERSTATE COMMERCE COMMISSION SOURCES BY DIVIDING SEASONAL VALUES OF SERIES 03045 (FREIGHT TRAIN-MILES) BY SERIES 03049 (FREIGHT TRAIN-HOURS). NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES THROUGHOUT. ............................................................... 0 VAR 0115 03048 PER TON 3R 920-942 MD=-999999 REF 0115 LOC 996 WIDTH 9 DK 16 COL 53-61 0 REVENUE TON-MILES PER TON OF COAL CONSUMED IN FREIGHT SERVICE, CLASS I RAILROADS ----------------------------------------------------- NBER SERIES: 03048 AREA COVERED: U.S. UNITS: TON-MILES ANNUAL COVERAGE: 1920-1941 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-06/1942 SEASONAL ADJUSTMENT: NONE 1 (ICPSR 7644) 91 - (CONTINUED) - SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03037 (REVENUE TON-MILES) BY SERIES 03047 (TONS OF COAL OR EQUIVALENT CONSUMPTION IN ROAD FREIGHT SERVICE); DATA ARE FROM INTERSTATE COMMERCE COMMISION SOURCES. NOTES: DATA FOR "REVENUE TON-MILES" EXCLUDE SWITCHING AND TERMINAL COMPANIES. DATA FOR "COAL CONSUMPTION" EXCLUDE THESE COMPONENTS FROM 1920-1936; INCLUDE THEM THEREAFTER. ............................................................... 0 VAR 0116 03048 PER TON 3S 920-943 MD=-999999 REF 0116 LOC 1005 WIDTH 9 DK 16 COL 62-70 0 REVENUE TON-MILES PER TON OF COAL CONSUMED IN FREIGHT SERVICE, CLASS I RAILROADS, SEASONALLY ADJUSTED ----------------------------------------------------- NBER SERIES: 03048 AREA COVERED: U.S. UNITS: TON-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03037 (REVENUE TON-MILES) BY SERIES 03047 (TONS OF COAL OR EQUIVALENT CONSUMPTION IN ROAD FREIGHT SERVICE); DATA ARE FROM INTERSTATE COMMERCE COMMISION SOURCES. NOTES: DATA FOR "REVENUE TON-MILES" EXCLUDE SWITCHING AND TERMINAL COMPANIES. DATA FOR "COAL CONSUMPTION" EXCLUDE THESE COMPONENTS FROM 1920-1936; INCLUDE THEM THEREAFTER. ............................................................... 0 VAR 0117 03077 RAG WAG 3R 920-939 MD=-999999 REF 0117 LOC 1014 WIDTH 9 DK 16 COL 71-79 IMP DEC= 2 0 AVERAGE WAGON LOAD ------------------ NBER SERIES: 03077 AREA COVERED: GREAT BRITAIN UNITS: NET TON-MILES PER LOADED WAGON MILE ANNUAL COVERAGE: 1920-1938 QUARTERLY COVERAGE: FIRST,1931 - FIRST, 1939 MONTHLY COVERAGE: 01/1920-12/1931 1 92 (ICPSR 7644) - (CONTINUED) - SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1920-1931: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS", SUCCESIVE ISSUES OF 1920-1931. DATA FOR 1931-1939: COMPUTED BY NBER BY DIVIDING SERIES 03005A (NET TON-MILES) BY SERIES 03076 (LOADED WAGON-MILES). NOTES: SERIES 03077 IS PRESENTED HERE AS THREE VARIABLES--(1)--ORIGINAL DATA, 1920-1939 (2)--SEASONALLY ADJUSTED DATA, 1920-1939 (3)--SEASONALLY ADJUSTED, 1944-1952. DECK IDENTIFICATION NUMBER IS '17' DK 17 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 17 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 17 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 17 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS 1 (ICPSR 7644) 93 - (CONTINUED) - VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 17 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 17 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. 1 94 (ICPSR 7644) - 0 VAR 0118 03077 RAG WAG 3S 920-939 MD=-999999 REF 0118 LOC 1023 WIDTH 9 DK 17 COL 17-25 IMP DEC= 2 0 AVERAGE WAGON LOAD, SEASONALLY ADJUSTED --------------------------------------- NBER SERIES: 03077 AREA COVERED: GREAT BRITAIN UNITS: NET TON-MILES PER LOADED WAGON MILE ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1920-1931: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS", SUCCESIVE ISSUES OF 1920-1931. DATA FOR 1931-1939: COMPUTED BY NBER BY DIVIDING SERIES 03005A (NET TON-MILES) BY SERIES 03076 (LOADED WAGON-MILES). NOTES: SERIES 03077 IS PRESENTED HERE AS THREE VARIABLES--(1)--ORIGINAL DATA, 1920-1939 (2)--SEASONALLY ADJUSTED DATA, 1920-1939 (3)--SEASONALLY ADJUSTED, 1944-1952. ............................................................... 0 VAR 0119 03077 RAG WAG 2S 944-952 MD=-999999 REF 0119 LOC 1032 WIDTH 9 DK 17 COL 26-34 IMP DEC= 2 0 AVERAGE WAGON LOAD, SEASONALLY ADJUSTED --------------------------------------- NBER SERIES: 03077 AREA COVERED: GREAT BRITAIN UNITS: NET TON-MILES PER LOADED WAGON-MILE ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1944 - FOURTH,1952 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03005A (NET TON-MILES) BY SERIES 03076 (LOADED WAGON-MILES). NOTES: SERIES 03077 IS PRESENTED HERE AS THREE VARIABLES--(1)--ORIGINAL DATA, 1920-1939 (2)--SEASONALLY ADJUSTED DATA, 1920-1939 (3)--SEASONALLY ADJUSTED, 1944-1952. 1 (ICPSR 7644) 95 - 0 VAR 0120 03079 PER FRE 3R 920-939 MD=-999999 REF 0120 LOC 1041 WIDTH 9 DK 17 COL 35-43 IMP DEC= 1 0 NET TON-MILES PER FREIGHT TRAIN-MILE ------------------------------------ NBER SERIES: 03079 AREA COVERED: GREAT BRITAIN UNITS: NET TON-MILES PER FREIGHT TRAIN-MILES ANNUAL COVERAGE: 1920-1938 QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03005A (TOTAL NET TON-MILES, EXCLUDING FREE HAULED) BY SERIES 03078 (FREIGHT TRAIN-MILES). ............................................................... 0 VAR 0121 03079 PER FRE 3S 920-952 MD=-999999 REF 0121 LOC 1050 WIDTH 9 DK 17 COL 44-52 IMP DEC= 1 0 NET TON-MILES PER FREIGHT TRAIN-MILE, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03079 AREA COVERED: GREAT BRITAIN UNITS: NET TON-MILES PER FREIGHT TRAIN-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939; FIRST,1944 - FOURTH,1942 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03005A (TOTAL NET TON-MILES, EXCLUDING FREE HAULED) BY SERIES 03078 (FREIGHT TRAIN-MILES). ............................................................... 0 VAR 0122 03081 PER OUR 3R 920-952 MD=-999999 REF 0122 LOC 1059 WIDTH 9 DK 17 COL 53-61 IMP DEC= 2 0 FREIGHT TRAIN-MILES PER TRAIN-HOUR ---------------------------------- NBER SERIES: 03081 AREA COVERED: GREAT BRITAIN 1 96 (ICPSR 7644) - (CONTINUED) - UNITS: TRAIN-MILES PER TRAIN-HOUR ANNUAL COVERAGE: 1920-1938, 1947-1952 QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939; FIRST,1947 - FOURTH,1952 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1920-1931: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS". DATA FOR 1931-1939: COMPUTED BY NBER BY DIVIDING SERIES 03078 (FREIGHT TRAIN-MILES) BY SERIES 03080 (FREIGHT TRAIN-HOURS). DATA FOR 1947-1952: FROM NBER FILES. ............................................................... 0 VAR 0123 03081 PER OUR 3S 920-952 MD=-999999 REF 0123 LOC 1068 WIDTH 9 DK 17 COL 62-70 IMP DEC= 2 0 FREIGHT TRAIN-MILES PER TRAIN-HOUR, SEASONALLY ADJUSTED ------------------------------------------------------- NBER SERIES: 03081 AREA COVERED: GREAT BRITAIN UNITS: FREIGHT TRAIN-MILES PER TRAIN-HOUR ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939; FIRST,1947 - FOURTH,1952 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1920-1931: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS". DATA FOR 1931-1939: COMPUTED BY NBER BY DIVIDING SERIES 03078 (FREIGHT TRAIN-MILES) BY SERIES 03080 (FREIGHT TRAIN-HOURS). DATA FOR 1947-1952: FROM NBER FILES. ............................................................... 0 VAR 0124 03083 FUEL BY 3R 921-935 MD=-999999 REF 0124 LOC 1077 WIDTH 9 DK 17 COL 71-79 IMP DEC= 3 0 NET TON-MILES PER POUND OF FUEL CONSUMED BY STEAM LOCOMOTIVES IN FREIGHT SERVICE ------------------------------------------------- NBER SERIES: 03083 AREA COVERED: GREAT BRITAIN UNITS: NET TON-MILES PER POUND OF FUEL ANNUAL COVERAGE: 1922-1935 QUARTERLY COVERAGE: FIRST,1931 - FOURTH,1935 1 (ICPSR 7644) 97 - (CONTINUED) - MONTHLY COVERAGE: 08/1921-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03005A (NET TON-MILES) BY SERIES 03082 (AGGREGATE COAL CONSUMPTION BY FREIGHT STEAM LOCOMOTIVE). NOTES: SERIES 03083 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1921-1935 (2)--SEASONALLY ADJUSTED DATA, 1921-1935 (3)--ORIGINAL DATA, 1935-1939 (4)--SEASONALLY ADJUSTED, 1935-1939. DURING PROCESSING IT WAS DISCOVERED THAT MONTHLY AND QUARTERLY FIGURES FOR 1931 AS PROVIDED BY NBER DO NOT AGREE, BUT DATA HAVE NOT BEEN CHANGED. THE ANNUAL FIGURE PROVIDED HERE WAS COMPUTED FROM MONTHLY DATA. DECK IDENTIFICATION NUMBER IS '18' DK 18 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 18 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 18 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 18 COL 8-10 0 PART NUMBER ----------- 1 98 (ICPSR 7644) - (CONTINUED) - A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 18 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 18 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN 1 (ICPSR 7644) 99 - (CONTINUED) - ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0125 03083 FUEL BY 3S 921-935 MD=-999999 REF 0125 LOC 1086 WIDTH 9 DK 18 COL 17-25 IMP DEC= 3 0 NET TON-MILES PER POUND OF FUEL CONSUMED BY STEAM LOCOMOTIVES IN FREIGHT SERVICE, SEASONALLY ADJUSTED --------------------------------------------------- NBER SERIES: 03083 AREA COVERED: GREAT BRITAIN UNITS: NET TON-MILES PER POUND OF FUEL CONSUMED ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FOURTH,1935 MONTHLY COVERAGE: 08/1921-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03005A (NET TON-MILES) BY SERIES 03082 (AGGREGATE COAL CONSUMPTION BY FREIGHT STEAM LOCOMOTIVE). NOTES: SERIES 03083 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1921-1935 (2)--SEASONALLY ADJUSTED DATA, 1921-1935 (3)--ORIGINAL DATA, 1935-1939 (4)--SEASONALLY ADJUSTED, 1935-1939. DURING PROCESSING IT WAS DISCOVERED THAT MONTHLY AND QUARTERLY FIGURES FOR 1931 AS PROVIDED BY NBER DO NOT AGREE, BUT DATA HAVE NOT BEEN CHANGED. ............................................................... 0 VAR 0126 03083 FUEL BY 2R 935-939 MD=-999999 REF 0126 LOC 1095 WIDTH 9 DK 18 COL 26-34 IMP DEC= 3 0 NET TON-MILES PER POUND OF FUEL CONSUMED BY STEAM LOCOMOTIVES IN FREIGHT SERVICE ------------------------------------------------- NBER SERIES: 03083 AREA COVERED: GREAT BRITAIN UNITS: NET TON-MILE PER POUND OF FUEL CONSUMED ANNUAL COVERAGE: 1935-1938 QUARTERLY COVERAGE: FIRST,1935 - FIRST,1939 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE 1 100 (ICPSR 7644) - (CONTINUED) - SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03005A (NET TON-MILES) BY SERIES 03082 (AGGREGATE COAL CONSUMPTION BY FREIGHT STEAM LOCOMOTIVE). NOTES: SERIES 03083 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1921-1935 (2)--SEASONALLY ADJUSTED DATA, 1921-1935 (3)--ORIGINAL DATA, 1935-1939 (4)--SEASONALLY ADJUSTED, 1935-1939. ............................................................... 0 VAR 0127 03083 FUEL BY 2S 935-939 MD=-999999 REF 0127 LOC 1104 WIDTH 9 DK 18 COL 35-43 IMP DEC= 3 0 NET TON-MILES PER POUND OF FUEL CONSUMED BY STEAM LOCOMOTIVES IN FREIGHT SERVICE, SEASONALLY ADJUSTED --------------------------------------------------- NBER SERIES: 03083 AREA COVERED: GREAT BRITAIN UNITS: NET TON-MILE PER POUND OF FUEL CONSUMED ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1935 - FIRST,1939 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03005A (NET TON-MILES) BY SERIES 03082 (AGGREGATE COAL CONSUMPTION BY FREIGHT STEAM LOCOMOTIVE). NOTES: SERIES 03083 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1921-1935 (2)--SEASONALLY ADJUSTED DATA, 1921-1935 (3)--ORIGINAL DATA, 1935-1939 (4)--SEASONALLY ADJUSTED, 1935-1939. ............................................................... 0 VAR 0128 03008 SHORTAG 3R 907-930 MD=-999999 REF 0128 LOC 1113 WIDTH 9 DK 18 COL 44-52 0 FREIGHT CAR SHORTAGE -------------------- NBER SERIES: 03008 AREA COVERED: U.S. UNITS: NUMBER OF FREIGHT CARS ANNUAL COVERAGE: 1908-1913, 1918-1930 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 05/1907-09/1914; 02-12/1915; 1 (ICPSR 7644) 101 - (CONTINUED) - 01/1918-12/1930 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1907-1917: AMERICAN RAILWAY ASSOCIATION, "UNFILLED CAR REQUISITIONS", BULLETIN NO. 6, AUGUST 17, 1917; QUARTERLY JOURNAL OF ECONOMICS, VOL. 33, P. 179. DATA FOR 1918-1924: ARA ANNUAL BULLETINS. DATA FOR 1920-1930: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, MAY 1922, AUGUST 1924, DECEMBER 1931. NOTES: SERIES 03008 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1930 (2)--SEASONALLY ADJUSTED DATA, 1907-1930 (3)--ORIGINAL DATA, 1915-1917 (4)--SEASONALLY ADJUSTED, 1916-1917. DATA INCLUDE ALL CAR REQUISITIONS INCLUDING DUPLICATION, THEREFORE "REQUISITIONS" IS POSSIBLY A BETTER TERM THAN "SHORTAGES". FOR EXAMPLE A SHIPPER MIGHT REQUEST 25 CARS FROM FOUR LINES, HOWEVER, ONLY NEEDING 25. THIS DATA WOULD SHOW A 100 CAR "SHORTAGE" IN THIS EXAMPLE. THE RAILROADS INCLUDED IN THESE REPORTS ARE THE SAME THROUGHOUT, EXCEPT THAT THE ACTUAL NUMBER OF ROADS DECREASED DUE TO CONSOLIDATION FROM ABOUT 175 TO 118. DATA THROUGHOUT ARE COMPARABLE. DATA FOR 1915 ARE BASED ON END-OF-MONTH FIGURES. DATA ARE CONVERTED TO MIDDLE-OF-MONTH BY TAKING TWO MONTH MOVING AVERAGES. ............................................................... 0 VAR 0129 03008 SHORTAG 3S 907-930 MD=-999999 REF 0129 LOC 1122 WIDTH 9 DK 18 COL 53-61 0 FREIGHT CAR SHORTAGE, SEASONALLY ADJUSTED ----------------------------------------- NBER SERIES: 03008 AREA COVERED: U.S. UNITS: NUMBER OF FREIGHT CARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 05/1907-09/1914; 02/1915-12/1930 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1907-1917: AMERICAN RAILWAY ASSOCIATION, "UNFILLED CAR REQUISITIONS", BULLETIN NO. 6, AUGUST 17, 1917; QUARTERLY JOURNAL OF ECONOMICS, VOL. 33, P. 179. DATA FOR 1918-1924: ARA ANNUAL BULLETINS. DATA FOR 1920-1930: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, MAY 1922, AUGUST 1924, DECEMBER 1931. NOTES: SERIES 03008 IS PRESENTED HERE AS FOUR 1 102 (ICPSR 7644) - (CONTINUED) - VARIABLES--(1)--ORIGINAL DATA, 1907-1930 (2)--SEASONALLY ADJUSTED DATA, 1907-1930 (3)--ORIGINAL DATA, 1915-1917 (4)--SEASONALLY ADJUSTED, 1916-1917. DATA INCLUDE ALL CAR REQUISITIONS INCLUDING DUPLICATION, THEREFORE "REQUISITIONS" IS POSSIBLY A BETTER TERM THAN "SHORTAGES". FOR EXAMPLE A SHIPPER MIGHT REQUEST 25 CARS FROM FOUR LINES, HOWEVER, ONLY NEEDING 25. THIS DATA WOULD SHOW A 100 CAR "SHORTAGE" IN THIS EXAMPLE. THE RAILROADS INCLUDED IN THESE REPORTS ARE THE SAME THROUGHOUT, EXCEPT THAT THE ACTUAL NUMBER OF ROADS DECREASED DUE TO CONSOLIDATION FROM ABOUT 175 TO 118. DATA THROUGHOUT ARE COMPARABLE. DATA FOR 1915 ARE BASED ON END-OF-MONTH FIGURES. DATA ARE CONVERTED TO MIDDLE-OF-MONTH BY TAKING TWO MONTH MOVING AVERAGES. ............................................................... 0 VAR 0130 03008 SHORTAG 3R 915-917 MD=-999999 REF 0130 LOC 1131 WIDTH 9 DK 18 COL 62-70 0 FREIGHT CAR SHORTAGE -------------------- NBER SERIES: 03008 AREA COVERED: U.S. UNITS: NUMBER OF FREIGHT CARS ANNUAL COVERAGE: 1915-1917 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1915-11/1917 SEASONAL ADJUSTMENT: NONE SOURCE: AMERICAN RAILWAY ASSOCIATION: "UNFILLED CAR REQUISITIONS", BULLETIN NO. SIX, AUGUST 17, 1917; QUARTERLY JOURNAL OF ECONOMICS, VOL. 33, P. 179. NOTES: SERIES 03008 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1930 (2)--SEASONALLY ADJUSTED DATA, 1907-1930 (3)--ORIGINAL DATA, 1915-1917 (4)--SEASONALLY ADJUSTED, 1916-1917. DATA INCLUDE ALL CAR REQUISITIONS INCLUDING DUPLICATION, THEREFORE "REQUISITIONS" IS POSSIBLY A BETTER TERM THAN "SHORTAGES". FOR EXAMPLE A SHIPPER MIGHT REQUEST 25 CARS FROM FOUR LINES, HOWEVER, ONLY NEEDING 25. THIS DATA WOULD SHOW A 100 CAR "SHORTAGE" IN THIS EXAMPLE. THE RAILROADS INCLUDED IN THESE REPORTS ARE THE SAME THROUGHOUT, EXCEPT THAT THE ACTUAL NUMBER OF ROADS DECREASED DUE TO CONSOLIDATION FROM ABOUT 175 TO 118. DATA THROUGHOUT ARE COMPARABLE. 1 (ICPSR 7644) 103 - 0 VAR 0131 03008 SHORTAG 3S 916-917 MD=-999999 REF 0131 LOC 1140 WIDTH 9 DK 18 COL 71-79 0 FREIGHT CAR SHORTAGE, SEASONALLY ADJUSTED ----------------------------------------- NBER SERIES: 03008 AREA COVERED: U.S. UNITS: NUMBER OF FREIGHT CARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1916-11/1917 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: AMERICAN RAILWAY ASSOCIATION: "UNFILLED CAR REQUISITIONS", BULLETIN NO. SIX, AUGUST 17, 1917; QUARTERLY JOURNAL OF ECONOMICS, VOL. 33, P. 179. NOTES: SERIES 03008 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1930 (2)--SEASONALLY ADJUSTED DATA, 1907-1930 (3)--ORIGINAL DATA, 1915-1917 (4)--SEASONALLY ADJUSTED, 1916-1917. DATA INCLUDE ALL CAR REQUISITIONS INCLUDING DUPLICATION, THEREFORE "REQUISITIONS" IS POSSIBLY A BETTER TERM THAN "SHORTAGES". FOR EXAMPLE A SHIPPER MIGHT REQUEST 25 CARS FROM FOUR LINES, HOWEVER, ONLY NEEDING 25. THIS DATA WOULD SHOW A 100 CAR "SHORTAGE" IN THIS EXAMPLE. THE RAILROADS INCLUDED IN THESE REPORTS ARE THE SAME THROUGHOUT, EXCEPT THAT THE ACTUAL NUMBER OF ROADS DECREASED DUE TO CONSOLIDATION FROM ABOUT 175 TO 118. DATA THROUGHOUT ARE COMPARABLE. DECK IDENTIFICATION NUMBER IS '19' DK 19 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 19 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. 1 104 (ICPSR 7644) - 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 19 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 19 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 19 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. 1 (ICPSR 7644) 105 - (CONTINUED) - THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 19 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0132 03009 SURPLUS 3R 907-917 MD=-999999 REF 0132 LOC 1149 WIDTH 9 DK 19 COL 17-25 IMP DEC= 1 0 FREIGHT CAR SURPLUS ------------------- NBER SERIES: 03009 AREA COVERED: U.S. UNITS: THOUSANDS OF CARS ANNUAL COVERAGE: 1908-1913, 1915-1916 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 05/1907-09/1914; 01/1915-11/1917 SEASONAL ADJUSTMENT: NONE SOURCE: AMERICAN RAILWAY ASSOCIATION, "UNFILLED CAR REQUISITIONS", BULLETIN NO. 6, AUGUST 17, 1917; QUARTERLY JOURNAL OF ECONOMICS, VOL. 33, P. 179. NOTES: SERIES 03009 IS PRESETED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1917, K(2)--SEASONALLY ADJUSTED DATA, 1907-1917, (3)--ORIGINAL DATA, 1915-1944, (4)--SEASONALLY ADJUSTED DATA, 1915-1944. THE RAILROADS INCLUDED IN THESE DATA ARE THE SAME THROUGHOUT, EXCEPT THAT THE ACTUAL NUMBER OF ROADS DECREASED DUE TO CONSOLIDATIONS, FROM ABOUT 175 TO 118. THE FIGURES 1 106 (ICPSR 7644) - (CONTINUED) - THROUGHOUT, HOWEVER, ARE COMPARABLE. DATA ARE THE AVERAGE OF BI-WEEKLY STATISTICS. ............................................................... 0 VAR 0133 03009 SURPLUS 3S 907-917 MD=-999999 REF 0133 LOC 1158 WIDTH 9 DK 19 COL 26-34 IMP DEC= 1 0 FREIGHT CAR SURPLUS, SEASONALLY ADJUSTED ---------------------------------------- NBER SERIES: 03009 AREA COVERED: U.S. UNITS: THOUSANDS OF CARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 05/1907-09/1914; 01/1915-11/1917 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: AMERICAN RAILWAY ASSOCIATION, "UNFILLED CAR REQUISITIONS", BULLETIN NO. 6, AUGUST 17, 1917; QUARTERLY JOURNAL OF ECONOMICS, VOL. 33, P. 179 NOTES: SERIES 03009 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1917 (2)--SEASONALLY ADJUSTED DATA, 1907-1917 (3)--ORIGINAL DATA, 1915-1944 (4)--SEASONALLY ADJUSTED, 1915-1944. THE RAILROADS INCLUDED IN THESE DATA ARE THE SAME THROUGHOUT, EXCEPT THAT THE ACTUAL NUMBER OF ROADS DECREASED DUE TO CONSOLIDATIONS, FROM ABOUT 175 TO 118. THE FIGURES FOR THE PERIODS, 1907-1917, 1918-1924, 1920-1923, HOWEVER, ARE COMPARABLE (LETTER FROM THE ARA, OCTOBER 1934.) DATA ARE THE AVERAGE OF BI-WEEKLY STATISTICS. ............................................................... 0 VAR 0134 03009 SURPLUS 3R 915-944 MD=-999999 REF 0134 LOC 1167 WIDTH 9 DK 19 COL 35-43 IMP DEC= 1 0 FREIGHT CAR SURPLUS ------------------- NBER SERIES: 03009 AREA COVERED: U.S. UNITS: THOUSANDS OF CARS ANNUAL COVERAGE: 1916-1943 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 02/1915-11/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY 1 (ICPSR 7644) 107 - (CONTINUED) - SOURCE: DATA FOR 1918-1924: AMERICAN RAILWAY ASSOCIATION, ANNUAL BULLETINS OF 1922-1924. DATA FOR 1920-1928: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, MAY 1922; AUGUST 1924; 1932 SUPPLEMENT; FOLLOWING ISSUES. DATA FOR 1929-APRIL 1934: ARA, WEEKLY INFORMATION BULLETIN. DATA FOR MAY 1934-1944: ARA, "REVENUE FREIGHT LOADED AND RECEIVED FROM CONNECTIONS." NOTES: SERIES 03009 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1917 (2)--SEASONALLY ADJUSTED DATA, 1907-1917 (3)--ORIGINAL DATA, 1915-1944 (4)--SEASONALLY ADJUSTED, 1915-1944. THE RAILROADS INCLUDED IN THESE DATA ARE THE SAME THROUGHOUT, EXCEPT THAT THE ACTUAL NUMBER OF ROADS DECREASED DUE TO CONSOLIDATIONS, FROM ABOUT 175 TO 118. THE FIGURES FOR THE PERIODS, 1907-1917, 1918-1924, 1920-1923, HOWEVER, ARE COMPARABLE (LETTER FROM THE ARA, OCTOBER 1934.) DATA ARE THE AVERAGE OF BI-WEEKLY STATISTICS THROUGH MAY 1941. BEGINNING IN JUNE 1941, DATA REPRESENT DAILY AVERAGES FOR THE WEEK ENDING ON THE LAST SATURDAY OF THE MONTH. ............................................................... 0 VAR 0135 03009 SURPLUS 3S 915-944 MD=-999999 REF 0135 LOC 1176 WIDTH 9 DK 19 COL 44-52 IMP DEC= 1 0 FREIGHT CAR SURPLUS, SEASONALLY ADJUSTED ---------------------------------------- NBER SERIES: 03009 AREA COVERED: U.S. UNITS: THOUSANDS OF CARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 02/1915-11/1924 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1918-1924: AMERICAN RAILWAY ASSOCIATION, ANNUAL BULLETINS OF 1922-1924. DATA FOR 1920-1928: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, MAY 1922; AUGUST 1924; 1932 SUPPLEMENT; FOLLOWING ISSUES. DATA FOR 1929-APRIL 1934: ARA, WEEKLY INFORMATION BULLETIN. DATA FOR MAY 1934-1944: ARA, "REVENUE FREIGHT LOADED AND RECEIVED FROM CONNECTIONS." NOTES: SERIES 03009 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1917 (2)--SEASONALLY ADJUSTED DATA, 1907-1917 (3)--ORIGINAL DATA, 1915-1944 (4)--SEASONALLY ADJUSTED, 1915-1944. 1 108 (ICPSR 7644) - (CONTINUED) - THE RAILROADS INCLUDED IN THESE DATA ARE THE SAME THROUGHOUT, EXCEPT THAT THE ACTUAL NUMBER OF ROADS DECREASED DUE TO CONSOLIDATIONS, FROM ABOUT 175 TO 118. THE FIGURES FOR THE PERIODS, 1907-1917, 1918-1924, 1920-1923, HOWEVER, ARE COMPARABLE (LETTER FROM THE ARA, OCTOBER 1934.) DATA ARE THE AVERAGE OF BI-WEEKLY STATISTICS THROUGH MAY 1941. BEGINNING IN JUNE 1941, DATA REPRESENT DAILY AVERAGES FOR THE WEEK ENDING ON THE LAST SATURDAY OF THE MONTH. ............................................................... 0 VAR 0136 03063 PASS LO 3R 921-943 MD=-999999 REF 0136 LOC 1185 WIDTH 9 DK 19 COL 53-61 IMP DEC= 1 0 TOTAL PASSENGER LOCOMOTIVE MILES -------------------------------- NBER SERIES: 03063 AREA COVERED: U.S. UNITS: MILLIONS OF MILES ANNUAL COVERAGE: 1921-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1921-07/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1921-1933: "PASSENGER TRAIN PERFORMANCE". DATA FOR 1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS", STATEMENT 210. DATA FOR 1935-1943: DIRECT FROM ICC FILES. ............................................................... 0 VAR 0137 03063 PASS LO 3S 921-943 MD=-999999 REF 0137 LOC 1194 WIDTH 9 DK 19 COL 62-70 IMP DEC= 1 0 TOTAL PASSENGER LOCOMOTIVE MILES, SEASONALLY ADJUSTED ----------------------------------------------------- NBER SERIES: 03063 AREA COVERED: U.S. UNITS: MILLIONS OF MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1921-07/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1921-1933: "PASSENGER TRAIN PERFORMANCE". DATA FOR 1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS", STATEMENT 210. 1 (ICPSR 7644) 109 - (CONTINUED) - DATA FOR 1935-1943: DIRECT FROM ICC FILES. NOTES: DATA FOR FEBRUARY OF LEAP YEARS ARE ADJUSTED FOR THE EXTRA DAY. ............................................................... 0 VAR 0138 03057 PAS CAR 3R 920-935 MD=-999999 REF 0138 LOC 1203 WIDTH 9 DK 19 COL 71-79 IMP DEC= 1 0 PASSENGER CAR-MILES, CLASS I RAILROADS -------------------------------------- NBER SERIES: 03057 AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGER CAR-MILES ANNUAL COVERAGE: 1920-1935 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1935 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: COMPUTED BY NBER FROM "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". DATA FOR 1935: DIRECT FROM SAME SOURCE. NOTES: SERIES 03057 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1935 (2)--SEASONALLY ADJUSTED DATA, 1920-1934 (3)--ORIGINAL DATA, 1935-1943 (4)--SEASONALLY ADJUSTED, 1935-1943. NBER COMPUTED DATA FOR 1920-1934 BY DIVIDING "REVENUE PASSENGER-MILES" BY "PASSENGER-MILES PER CAR-MILE." DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. DECK IDENTIFICATION NUMBER IS '20' DK 20 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 20 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. 1 110 (ICPSR 7644) - 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 20 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 20 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 20 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. 1 (ICPSR 7644) 111 - (CONTINUED) - THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 20 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0139 03057 PAS CAR 3S 920-934 MD=-999999 REF 0139 LOC 1212 WIDTH 9 DK 20 COL 17-25 IMP DEC= 1 0 PASSENGER CAR-MILES, CLASS I RAILROADS, SEASONALLY ADJUSTED ----------------------------------------------------------- NBER SERIES: 03057 AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGER CAR-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1934 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1934: COMPUTED BY NBER FROM "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: SERIES 03057 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1935 (2)--SEASONALLY ADJUSTED DATA, 1920-1935 (3)--ORIGINAL DATA, 1935-1943 (4)--SEASONALLY ADJUSTED, 1935-1943. NBER COMPUTED DATA FOR 1920-1934 BY DIVIDING "REVENUE PASSENGER-MILES" BY "PASSENGER-MILES PER CAR-MILE." DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. 1 112 (ICPSR 7644) - (CONTINUED) - DATA FOR FEBRUARY OF LEAP YEARS WERE CORRECTED BY ADDITIONAL INDEX OF 103.6. ............................................................... 0 VAR 0140 03057 PAS CAR 3R 935-943 MD=-999999 REF 0140 LOC 1221 WIDTH 9 DK 20 COL 26-34 IMP DEC= 1 0 PASSENGER CAR-MILES, CLASS I RAILROADS -------------------------------------- NBER SERIES: 03057 AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGER CAR-MILES ANNUAL COVERAGE: 1935-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1935-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" NOTES: SERIES 03057 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1935 (2)--SEASONALLY ADJUSTED DATA, 1920-1935 (3)--ORIGINAL DATA, 1935-1943 (4)--SEASONALLY ADJUSTED, 1935-1943. DATA EXCLUDES SWITCHING AND TERMINAL COMPANIES; COMBINATION AND OBSERVATION PASSENGER CAR-MILES. DATA FOR AUGUST-DECEMBER 1935 WERE COMPUTED BY DIVIDING "REVENUE PASSENGER-MILES" BY "PASSENGER-MILES PER CAR-MILE." ............................................................... 0 VAR 0141 03057 PAS CAR 3S 935-943 MD=-999999 REF 0141 LOC 1230 WIDTH 9 DK 20 COL 35-43 IMP DEC= 1 0 PASSENGER CAR-MILES, CLASS I RAILROADS, SEASONALLY ADJUSTED ----------------------------------------------------------- NBER SERIES: 03057 AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGER CAR-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1935-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" 1 (ICPSR 7644) 113 - (CONTINUED) - NOTES: SERIES 03057 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1935 (2)--SEASONALLY ADJUSTED DATA, 1920-1935 (3)--ORIGINAL DATA, 1935-1943 (4)--SEASONALLY ADJUSTED, 1935-1943. DATA EXCLUDES SWITCHING AND TERMINAL COMPANIES; COMBINATION AND OBSERVATION PASSENGER CAR-MILES. DATA FOR AUGUST-DECEMBER 1935 WERE COMPUTED BY DIVIDING "REVENUE PASSENGER-MILES" BY "PASSENGER-MILES PER CAR-MILE." ............................................................... 0 VAR 0142 03051 PA MILE 3R 920-929 MD=-999999 REF 0142 LOC 1239 WIDTH 9 DK 20 COL 44-52 IMP DEC= 1 0 PASSENGER TRAIN-MILES, CLASS I RAILROADS ---------------------------------------- NBER SERIES: 03051 AREA COVERED: U.S. UNITS: MILLIONS OF TRAIN-MILES ANNUAL COVERAGE: 1920-1929 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1929 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES." NOTES: SERIES 03051 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1929 (2)--SEASONALLY ADJUSTED DATA, 1920-1929 (3)--ORIGINAL DATA, 1929-1943 (4)--SEASONALLY ADJUSTED, 1929-1943. DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. ............................................................... 0 VAR 0143 03051 PA MILE 3S 920-929 MD=-999999 REF 0143 LOC 1248 WIDTH 9 DK 20 COL 53-61 IMP DEC= 1 0 PASSENGER TRAIN-MILES, CLASS I RAILROADS, SEASONALLY ADJUSTED ---------------------------------------------------- NBER SERIES: 03051 AREA COVERED: U.S. UNITS: MILLIONS OF TRAIN-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE 1 114 (ICPSR 7644) - (CONTINUED) - MONTHLY COVERAGE: 01/1920-12/1929 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES." NOTES: SERIES 03051 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1929 (2)--SEASONALLY ADJUSTED DATA, 1920-1929 (3)--ORIGINAL DATA, 1929-1943 (4)--SEASONALLY ADJUSTED, 1929-1943. DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. ............................................................... 0 VAR 0144 03051 PA MILE 3R 929-943 MD=-999999 REF 0144 LOC 1257 WIDTH 9 DK 20 COL 62-70 IMP DEC= 1 0 PASSENGER TRAIN-MILES, CLASS I RAILROADS ---------------------------------------- NBER SERIES: 03051 AREA COVERED: U.S. UNITS: MILLIONS OF TRAIN-MILES ANNUAL COVERAGE: 1929-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1929-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1929-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES." DATA FOR 1935-1943: "PASSENGER TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES." NOTES: SERIES 03051 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1929 (2)--SEASONALLY ADJUSTED DATA, 1920-1929 (3)--ORIGINAL DATA, 1929-1943 (4)--SEASONALLY ADJUSTED, 1929-1943. DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. ............................................................... 0 VAR 0145 03051 PA MILE 3S 929-943 MD=-999999 REF 0145 LOC 1266 WIDTH 9 DK 20 COL 71-79 IMP DEC= 1 0 PASSENGER TRAIN-MILES, CLASS I RAILROADS, SEASONALLY ADJUSTED ---------------------------------------------------- 1 (ICPSR 7644) 115 - (CONTINUED) - NBER SERIES: 03051 AREA COVERED: U.S. UNITS: MILLIONS OF TRAIN-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1929-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1929-1934: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES." DATA FOR 1935-1943: "PASSENGER TRAIN PERFORMANCE OF CLASS I STEAM RAILWAYS IN THE UNITED STATES." NOTES: SERIES 03051 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1929 (2)--SEASONALLY ADJUSTED DATA, 1920-1929 (3)--ORIGINAL DATA, 1929-1943 (4)--SEASONALLY ADJUSTED, 1929-1943. DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. BEGINNING IN 1929 COVERAGE INCLUDES MOTOR-CAR TRAIN-MILES, NOT PREVIOUSLY REPORTED. DECK IDENTIFICATION NUMBER IS '21' DK 21 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 21 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 21 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. 1 116 (ICPSR 7644) - 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 21 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 21 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 21 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF 1 (ICPSR 7644) 117 - (CONTINUED) - OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0146 03085 CO CHIN 3R 920-939 MD=-999999 REF 0146 LOC 1275 WIDTH 9 DK 21 COL 17-25 IMP DEC= 2 0 TOTAL COACHING TRAIN-MILES INCLUDING LONDON RAILWAYS ---------------------------------------------------- NBER SERIES: 03085 AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF MILES ANNUAL COVERAGE: 1920-1938 QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS", SUCCESSIVE ISSUES. NOTES: DATA INCLUDE ENGINE AND BRAKE AND LOADED AND EMPTY. DURING PROCESSING IT WAS DISCOVERED THAT MONTHLY AND QUARTERLY FIGURES FOR 1931 AS PROVIDED BY NBER DO NOT AGREE, BUT DATA HAVE NOT BEEN CHANGED. THE ANNUAL FIGURE PROVIDED HERE WAS COMPUTED FROM MONTHLY DATA. ............................................................... 0 VAR 0147 03085 CO CHIN 3S 920-939 MD=-999999 REF 0147 LOC 1284 WIDTH 9 DK 21 COL 26-34 IMP DEC= 2 0 TOTAL COACHING TRAIN-MILES INCLUDING LONDON RAILWAYS, SEASONALLY ADJUSTED ----------------------------------------------------- NBER SERIES: 03085 AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 1 118 (ICPSR 7644) - (CONTINUED) - MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS", SUCCESSIVE ISSUES. NOTES: DATA INCLUDE ENGINE AND BRAKE AND LOADED AND EMPTY. DURING PROCESSING IT WAS DISCOVERED THAT MONTHLY AND QUARTERLY FIGURES FOR 1931 AS PROVIDED BY NBER DO NOT AGREE, BUT DATA HAVE NOT BEEN CHANGED. ............................................................... 0 VAR 0148 03086 A CHING 3R 920-939 MD=-999999 REF 0148 LOC 1293 WIDTH 9 DK 21 COL 35-43 0 TOTAL COACHING TRAIN-HOURS -------------------------- NBER SERIES: 03086 AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF HOURS ANNUAL COVERAGE: 1920-1938 QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS", SUCCESSIVE ISSUES. NOTES: DATA INCLUDE ENGINE AND BRAKE AND LOADED AND EMPTY. DURING PROCESSING IT WAS DISCOVERED THAT MONTHLY AND QUARTERLY FIGURES FOR 1931 AS PROVIDED BY NBER DO NOT AGREE, BUT DATA HAVE NOT BEEN CHANGED. THE ANNUAL FIGURE PROVIDED HERE WAS COMPUTED FROM MONTHLY DATA. ............................................................... 0 VAR 0149 03086 A CHING 3S 920-939 MD=-999999 REF 0149 LOC 1302 WIDTH 9 DK 21 COL 44-52 0 TOTAL COACHING TRAIN-HOURS, SEASONALLY ADJUSTED ----------------------------------------------- NBER SERIES: 03086 AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF HOURS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 MONTHLY COVERAGE: 01/1920-12/1931 1 (ICPSR 7644) 119 - (CONTINUED) - SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS", SUCCESSIVE ISSUES. NOTES: DATA INCLUDE ENGINE AND BRAKE AND LOADED AND EMPTY. DURING PROCESSING IT WAS DISCOVERED THAT MONTHLY AND QUARTERLY FIGURES FOR 1931 AS PROVIDED BY NBER DO NOT AGREE, BUT DATA HAVE NOT BEEN CHANGED. ............................................................... 0 VAR 0150 03053 TON SUM 3R 920-943 MD=-999999 REF 0150 LOC 1311 WIDTH 9 DK 21 COL 53-61 0 TONS OF COAL CONSUMED IN ROAD PASSENGER SERVICE, CLASS I RAILROADS -------------------------------------------------------- NBER SERIES: 03053 AREA COVERED: U.S. UNITS: THOUSANDS OF SHORT TONS ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1935: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". DATA FOR 1936-1943: "FUEL AND POWER FOR LOCOMOTIVES RAIL MOTOR CARRIERS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: SWITCHING AND TERMINAL COMPANIES ARE EXCLUDED FROM 1920-1936 DATA; INCLUDED FROM 1937-1943. DATA THROUGH 1935 COVER ONLY COAL AND COAL EQUIVALENT OF FUEL OIL CONSUMED BY STEAM LOCOMOTIVES. IN 1934 SOMEWHAT OVER SEVENTEEN PERCENT OF THE TRAIN-MILES AND NINE PERCENT OF THE CAR-MILES WERE ACCOUNTED FOR BY OTHER TYPES OF MOTIVE POWER. THE LATTER MAY HAVE INCREASED CONSIDERABLY IN IMPORTANCE BETWEEN 1920 AND 1934. BEGINNING IN 1935, DATA INCLUDE ALLOWANCE FOR COAL EQUIVALENT OF ALL OTHER FUELS AND OF ELECTRIC POWER. ............................................................... 0 VAR 0151 03053 TON SUM 3S 920-943 MD=-999999 REF 0151 LOC 1320 WIDTH 9 DK 21 COL 62-70 0 TONS OF COAL CONSUMED IN ROAD PASSENGER SERVICE, CLASS I 1 120 (ICPSR 7644) - (CONTINUED) - RAILROADS, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03053 AREA COVERED: U.S. UNITS: THOUSANDS OF SHORT TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1935: "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". DATA FOR 1936-1943: "FUEL AND POWER FOR LOCOMOTIVES RAIL MOTOR CARRIERS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: SWITCHING AND TERMINAL COMPANIES ARE EXCLUDED FROM 1920-1936 DATA; INCLUDED FROM 1937-1943. DATA THROUGH 1935 COVER ONLY COAL AND COAL EQUIVALENT OF FUEL OIL CONSUMED BY STEAM LOCOMOTIVES. IN 1934 SOMEWHAT OVER SEVENTEEN PERCENT OF THE TRAIN-MILES AND NINE PERCENT OF THE CAR-MILES WERE ACCOUNTED FOR BY OTHER TYPES OF MOTIVE POWER. THE LATTER MAY HAVE INCREASED CONSIDERABLY IN IMPORTANCE BETWEEN 1920 AND 1934. BEGINNING IN 1935, DATA INCLUDE ALLOWANCE FOR COAL EQUIVALENT OF ALL OTHER FUELS AND OF ELECTRIC POWER. ............................................................... 0 VAR 0152 03035 PER MUT 3R 921-942 MD=-999999 REF 0152 LOC 1329 WIDTH 9 DK 21 COL 71-79 IMP DEC= 1 0 MILES PER REVENUE PASSENGER PER ROAD, COMMUTATION, CLASS I RAILROADS ---------------------------------------------------------- NBER SERIES: 03035 AREA COVERED: U.S. UNITS: MILES ANNUAL COVERAGE: 1922-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1921-12/1942 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". DECK IDENTIFICATION NUMBER IS '22' DK 22 COL 1- 2 ---------------------------------- 1 (ICPSR 7644) 121 - 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 22 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 22 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 22 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 22 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- 1 122 (ICPSR 7644) - (CONTINUED) - THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 22 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0153 03035 PER MUT 3S 921-942 MD=-999999 REF 0153 LOC 1338 WIDTH 9 DK 22 COL 17-25 IMP DEC= 1 0 MILES PER REVENUE PASSENGER PER ROAD, COMMUTATION, CLASS I RAILROADS, SEASONALLY ADJUSTED ---------------------------------------------------------- NBER SERIES: 03035 AREA COVERED: U.S. UNITS: MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1921-12/1942 1 (ICPSR 7644) 123 - (CONTINUED) - SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". ............................................................... 0 VAR 0154 03036 PER PER 3R 921-942 MD=-999999 REF 0154 LOC 1347 WIDTH 9 DK 22 COL 26-34 IMP DEC= 1 0 MILES PER REVENUE PASSENGER PER ROAD, NON-COMMUTATION, CLASS I RAILROADS ------------------------------------------------------------ NBER SERIES: 03036 AREA COVERED: U.S. UNITS: MILES ANNUAL COVERAGE: 1922-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1921-12/1942 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". ............................................................... 0 VAR 0155 03036 PER PER 3S 921-942 MD=-999999 REF 0155 LOC 1356 WIDTH 9 DK 22 COL 35-43 IMP DEC= 1 0 MILES PER REVENUE PASSENGER PER ROAD, NON-COMMUTATION, CLASS I RAILROADS, SEASONALLY ADJUSTED ------------------------------------------------------------ NBER SERIES: 03036 AREA COVERED: U.S. UNITS: MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1921-12/1942 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: 1941 SEASONAL FACTORS WERE APPLIED TO 1942. 1 124 (ICPSR 7644) - 0 VAR 0156 03059 PAS SEN 3R 920-935 MD=-999999 REF 0156 LOC 1365 WIDTH 9 DK 22 COL 44-52 IMP DEC= 1 0 PASSENGER-MILES PER CAR-MILE, CLASS I RAILROADS ----------------------------------------------- NBER SERIES: 03059 AREA COVERED: U.S. UNITS: PASSENGER-MILES ANNUAL COVERAGE: 1920-1935 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1935 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: SERIES 03059 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1935 (2)--SEASONALLY ADJUSTED DATA, 1920-1934 (3)--ORIGINAL DATA, 1935-1943 (4)--SEASONALLY ADJUSTED, 1935-1943. SWITCHING AND TERMINAL COMPANIES ARE EXCLUDED THROUGHOUT. FROM 1920-JUNE 1934, DATA ARE REFERRED TO IN THE SOURCE AS "REVENUE PASSENGERS PER CAR." ............................................................... 0 VAR 0157 03059 PAS SEN 3S 920-934 MD=-999999 REF 0157 LOC 1374 WIDTH 9 DK 22 COL 53-61 IMP DEC= 1 0 PASSENGER-MILES PER CAR-MILE, CLASS I RAILROADS, SEASONALLY ADJUSTED ----------------------------------------------------------- NBER SERIES: 03059 AREA COVERED: U.S. UNITS: PASSENGER-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1934 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: SERIES 03059 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1935 (2)--SEASONALLY ADJUSTED DATA, 1920-1934 (3)--ORIGINAL DATA, 1935-1943 (4)--SEASONALLY ADJUSTED, 1935-1943. 1 (ICPSR 7644) 125 - (CONTINUED) - SWITCHING AND TERMINAL COMPANIES ARE EXCLUDED THROUGHOUT. FROM 1920-JUNE 1934, DATA ARE REFERRED TO IN THE SOURCE AS "REVENUE PASSENGERS PER CAR." ............................................................... 0 VAR 0158 03059 PAS SEN 3R 935-943 MD=-999999 REF 0158 LOC 1383 WIDTH 9 DK 22 COL 62-70 IMP DEC= 1 0 PASSENGER-MILES PER CAR-MILE, CLASS I RAILROADS ----------------------------------------------- NBER SERIES: 03059 AREA COVERED: U.S. UNITS: PASSENGER-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1935-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: SERIES 03059 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1935 (2)--SEASONALLY ADJUSTED DATA, 1920-1934 (3)--ORIGINAL DATA, 1935-1943 (4)--SEASONALLY ADJUSTED, 1935-1943. SWITCHING AND TERMINAL COMPANIES ARE EXCLUDED THROUGHOUT. BEGINNING IN 1935, COVERAGE EXCLUDES "1/2 COMBINATION" AND "OBSERVATION" PASSENGER CAR-MILES. ............................................................... 0 VAR 0159 03059 PAS SEN 3S 935-943 MD=-999999 REF 0159 LOC 1392 WIDTH 9 DK 22 COL 71-79 IMP DEC= 1 0 PASSENGER-MILES PER CAR-MILE, CLASS I RAILROADS, SEASONALLY ADJUSTED ----------------------------------------------------------- NBER SERIES: 03059 AREA COVERED: U.S. UNITS: PASSENGER-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1935-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER 1 126 (ICPSR 7644) - (CONTINUED) - SOURCE: INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: SERIES 03059 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1935 (2)--SEASONALLY ADJUSTED DATA, 1920-1934 (3)--ORIGINAL DATA, 1935-1943 (4)--SEASONALLY ADJUSTED, 1935-1943. SWITCHING AND TERMINAL COMPANIES ARE EXCLUDED THROUGHOUT. BEGINNING IN 1935, COVERAGE EXCLUDES "1/2 COMBINATION" AND "OBSERVATION" PASSENGER CAR-MILES. DECK IDENTIFICATION NUMBER IS '23' DK 23 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 23 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 23 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 23 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET 1 (ICPSR 7644) 127 - (CONTINUED) - IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 23 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 23 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED 1 128 (ICPSR 7644) - (CONTINUED) - BY THE PROGRAM. ............................................................... 0 VAR 0160 03061 MI MILE 3R 920-929 MD=-999999 REF 0160 LOC 1401 WIDTH 9 DK 23 COL 17-25 IMP DEC= 2 0 PASSENGER CAR-MILES PER TRAIN-MILE, CLASS I RAILROADS ----------------------------------------------------- NBER SERIES: 03061 AREA COVERED: U.S. UNITS: CAR-MILES PER TRAIN-MILE ANNUAL COVERAGE: 1920-1930 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1930 SEASONAL ADJUSTMENT: NONE SOURCE: NBER DERIVED DATA BY DIVIDING SERIES 03057 (PASSENGER CAR-MILES) BY 03051 (PASSENGER TRAIN-MILES). NOTES: SERIES 03061 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1930 (2)--SEASONALLY ADJUSTED DATA, 1920-1930 (3)--ORIGINAL DATA, 1930-1943 (4)--SEASONALLY ADJUSTED, 1930-1943. ............................................................... 0 VAR 0161 03061 MI MILE 3S 920-929 MD=-999999 REF 0161 LOC 1410 WIDTH 9 DK 23 COL 26-34 IMP DEC= 2 0 PASSENGER CAR-MILES PER TRAIN MILE, CLASS I RAILROADS, SEASONALLY ADJUSTED ------------------------------------------------------ NBER SERIES: 03061 AREA COVERED: U.S. UNITS: CAR-MILES PER TRAIN-MILE ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1930 SEASONAL ADJUSTMENT: NONE SOURCE: NBER DERIVED DATA BY DIVIDING SERIES 03057 (PASSENGER CAR-MILES) BY 03051 (PASSENGER TRAIN-MILES). NOTES: SERIES 03061 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1930 (2)--SEASONALLY ADJUSTED DATA, 1920-1930 (3)--ORIGINAL DATA, 1930-1943 (4)--SEASONALLY ADJUSTED, 1930-1943. 1 (ICPSR 7644) 129 - 0 VAR 0162 03061 MI MILE 3R 930-943 MD=-999999 REF 0162 LOC 1419 WIDTH 9 DK 23 COL 35-43 IMP DEC= 2 0 PASSENGER CAR-MILES PER TRAIN-MILE, CLASS I RAILROADS ----------------------------------------------------- NBER SERIES: 03061 AREA COVERED: U.S. UNITS: CAR-MILES PER TRAIN-MILE ANNUAL COVERAGE: 1930-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1930-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: NBER DERIVED DATA BY DIVIDING SERIES 03057 (PASSENGER CAR-MILES) BY 03051 (PASSENGER TRAIN-MILES). NOTES: SERIES 03061 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1930 (2)--SEASONALLY ADJUSTED DATA, 1920-1930 (3)--ORIGINAL DATA, 1930-1943 (4)--SEASONALLY ADJUSTED, 1930-1943. COVERAGE INCLUDES MOTOR-CAR TRAIN-MILES NOT PREVIOUSLY REPORTED. ............................................................... 0 VAR 0163 03061 MI MILE 3S 930-943 MD=-999999 REF 0163 LOC 1428 WIDTH 9 DK 23 COL 44-52 IMP DEC= 2 0 PASSENGER CAR-MILES PER TRAIN-MILE, CLASS I RAILROADS, SEASONALLY ADJUSTED ------------------------------------------------------ NBER SERIES: 03061 AREA COVERED: U.S. UNITS: CAR-MILES PER TRAIN-MILE ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-03/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: NBER DERIVED DATA BY DIVIDING SERIES 03057 (PASSENGER CAR-MILES) BY 03051 (PASSENGER TRAIN-MILES). NOTES: SERIES 03061 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1930 (2)--SEASONALLY ADJUSTED DATA, 1920-1930 (3)--ORIGINAL DATA, 1930-1943 (4)--SEASONALLY ADJUSTED, 1930-1943. COVERAGE INCLUDES MOTOR-CAR TRAIN-MILES NOT PREVIOUSLY REPORTED. 1 130 (ICPSR 7644) - 0 VAR 0164 03052 SEN GER 3R 920-929 MD=-999999 REF 0164 LOC 1437 WIDTH 9 DK 23 COL 53-61 IMP DEC= 1 0 PASSENGER-MILES PER TRAIN-MILE, CLASS I RAILROADS ------------------------------------------------- NBER SERIES: 03052 AREA COVERED: U.S. UNITS: PASSENGER-MILES ANNUAL COVERAGE: 1920-1929 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1929 SEASONAL ADJUSTMENT: NONE SOURCE: NBER DERIVED THIS VARIABLE BY DIVIDING SERIES 03010 (REVENUE PASSENGER-MILES) BY SERIES 03051 (PASSENGER TRAIN-MILES); DATA ARE FROM THE INTERSTATE COMMERCE COMMISSION. NOTES: SERIES 03052 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1929 (2)--SEASONALLY ADJUSTED DATA, 1920-1929 (3)--ORIGINAL DATA, 1929-1943 (4))-SEASONALLY ADJUSTED, 1929-1943. ............................................................... 0 VAR 0165 03052 SEN GER 3S 920-929 MD=-999999 REF 0165 LOC 1446 WIDTH 9 DK 23 COL 62-70 IMP DEC= 1 0 PASSENGER-MILES PER TRAIN-MILE, CLASS I RAILROADS, SEASONALLY ADJUSTED -------------------------------------------------- NBER SERIES: 03052 AREA COVERED: U.S. UNITS: PASSENGER-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1929 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: NBER DERIVED THIS VARIABLE BY DIVIDING SERIES 03010 (REVENUE PASSENGER-MILES) BY SERIES 03051 (PASSENGER TRAIN-MILES); DATA ARE FROM THE INTERSTATE COMMERCE COMMISSION. NOTES: SERIES 03052 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1929 (2)--SEASONALLY ADJUSTED DATA, 1920-1929 (3)--ORIGINAL DATA, 1929-1943 (4))-SEASONALLY ADJUSTED, 1929-1943. 1 (ICPSR 7644) 131 - 0 VAR 0166 03052 SEN GER 3R 929-943 MD=-999999 REF 0166 LOC 1455 WIDTH 9 DK 23 COL 71-79 IMP DEC= 1 0 PASSENGER-MILES PER TRAIN-MILE, CLASS I RAILROADS ------------------------------------------------- NBER SERIES: 03052 AREA COVERED: U.S. UNITS: PASSENGER-MILES ANNUAL COVERAGE: 1929-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1929-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1929-1934: DERIVED BY NBER BY DIVIDING SERIES 03010 (REVENUE PASSENGER-MILES) BY SERIES 03051 (PASSENGER TRAIN MILES). DATA FOR 1935-1943: "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES." NOTES: SERIES 03052 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1929 (2)--SEASONALLY ADJUSTED DATA, 1920-1929 (3)--ORIGINAL DATA, 1929-1943 (4))-SEASONALLY ADJUSTED, 1929-1943. BEGINNING IN 1929, COVERAGE INCLUDES MOTOR-CAR TRAIN-MILES, NOT PREVIOUSLY REPORTED. DECK IDENTIFICATION NUMBER IS '24' DK 24 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 24 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 24 COL 7 0 ICPSR VERSION NUMBER -------------------- 1 132 (ICPSR 7644) - (CONTINUED) - THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 24 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 24 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. 1 (ICPSR 7644) 133 - 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 24 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0167 03052 SEN GER 3S 929-943 MD=-999999 REF 0167 LOC 1464 WIDTH 9 DK 24 COL 17-25 IMP DEC= 1 0 PASSENGER-MILES PER TRAIN-MILE, CLASS I RAILROADS, SEASONALLY ADJUSTED -------------------------------------------------- NBER SERIES: 03052 AREA COVERED: U.S. UNITS: PASSENGER-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1929-03/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1929-1934: DERIVED BY NBER BY DIVIDING SERIES 03010 (REVENUE PASSENGER-MILES) BY SERIES 03051 (PASSENGER TRAIN MILES). DATA FOR 1935-1943: "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES." NOTES: SERIES 03052 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1920-1929 (2)--SEASONALLY ADJUSTED DATA, 1920-1929 (3)--ORIGINAL DATA, 1929-1943 (4))-SEASONALLY ADJUSTED, 1929-1943. BEGINNING IN 1929, COVERAGE INCLUDES MOTOR-CAR TRAIN-MILES, NOT PREVIOUSLY REPORTED. 1 134 (ICPSR 7644) - 0 VAR 0168 03054 TON CON 3R 920-942 MD=-999999 REF 0168 LOC 1473 WIDTH 9 DK 24 COL 26-34 0 PASSENGER-MILES PER TON OF COAL CONSUMED IN PASSENGER SERVICE, CLASS I RAILROADS ----------------------------------------------------- NBER SERIES: 03054 AREA COVERED: U.S. UNITS: PASSENGER-MILES ANNUAL COVERAGE: 1920-1941 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-06/1942 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1920-1935: DERIVED BY NBER FROM "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" (FOR REVENUE PASSENGER-MILES) AND "FREIGHT AND PASSENGER SERVICE OPERATING STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES" (FOR COAL CONSUMED). DATA FOR 1936-1942: "FUEL AND POWER FOR LOCOMOTIVES AND RAIL MOTOR CARRIERS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES." NOTES: DATA FOR PASSENGER-MILES EXCLUDE SWITCHING AND TERMINAL COMPANIES THROUGHOUT; DATA FOR COAL CONSUMED EXCLUDE THESE COMPANIES FOR 1920-1936, BUT INCLUDE THEM THEREAFTER. ............................................................... 0 VAR 0169 03054 TON CON 3S 920-943 MD=-999999 REF 0169 LOC 1482 WIDTH 9 DK 24 COL 35-43 0 PASSENGER-MILES PER TON OF COAL CONSUMED IN PASSENGER SERVICE, CLASS I RAILROADS, SEASONALLY ADJUSTED ----------------------------------------------------- NBER SERIES: 03054 AREA COVERED: U.S. UNITS: PASSENGER-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-03/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: NBER DERIVED DATA BY DIVIDING CORRECTED DATA FOR SERIES 03010 (REVENUE PASSENGER-MILES) BY CORRECTED DATA FOR SERIES 03053 (TONS OF COAL CONSUMED IN PASSENGER SERVICE). 1 (ICPSR 7644) 135 - (CONTINUED) - NOTES: DATA FOR PASSENGER-MILES EXCLUDE SWITCHING AND TERMINAL COMPANIES THROUGHOUT; DATA FOR COAL CONSUMED EXCLUDE THESE COMPANIES FOR 1920-1936, BUT INCLUDE THEM THEREAFTER. ............................................................... 0 VAR 0170 03064 GOP BAH 3S 921-942 MD=-999999 REF 0170 LOC 1491 WIDTH 9 DK 24 COL 44-52 IMP DEC= 1 0 TRAFFIC UNITS PER MAN-HOUR WORKED BY RAILWAY EMPLOYEES FOR WHOM HOURS ARE REPORTED, SEASONALLY ADJUSTED ---------------------------------------------------------- NBER SERIES: 03064 AREA COVERED: U.S. UNITS: TRAFFIC UNITS PER MAN-HOUR ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1921-12/1942 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DERIVED BY NBER BY DIVIDING TRAFFIC UNITS BY SERIES 08157 (MAN-HOURS WORKED, RAILROAD EMPLOYEES). THE SEASONAL INDEX FOR THIS DATA FROM 1920-1926 WAS DERIVED BY DIVIDING THE SEASONAL INDEX FOR SERIES 03003 (REVENUE TON-MILES) BY SERIES 08157 (MAN-HOURS WORKED, RAILROAD EMPLOYEES). ............................................................... 0 VAR 0171 03016B OPERA 3R 907-956 MD=-999999 REF 0171 LOC 1500 WIDTH 9 DK 24 COL 53-61 IMP DEC= 1 0 OPERATING REVENUES OF RAILROADS, FREIGHT ---------------------------------------- NBER SERIES: 03016B AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1908-1955 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1907-07/1956 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, BUREAU OF STATISTICS, DATA FOR 1907-JUNE 1914: BULLETIN OF REVENUES AND EXPENSES OF STEAM ROADS IN THE UNITED STATES, NO. 5, P. 12; NO. 18, P. 12; NO. 31, P. 12; NOS. 32-69. DATA FOR JULY 1914-1919: "OPERATING REVENUES AND EXPENSES OF LARGE STEAM 1 136 (ICPSR 7644) - (CONTINUED) - RAILROADS, JULY 1914-DECEMBER 1919". DATA FOR 1920-1956: "OPERATING REVENUES AND OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES", MONTHLY. NOTES: DATA FOR CLASS I RAILWAYS EXCLUDES SWITCHING AND TERMINAL COMPANIES FROM 1907-OCTOBER 1910; THEREAFTER THEY ARE INCLUDED. DATA FOR 1907-OCTOBER 1910 COVER CLASS A RAILROADS WHICH INCLUDE LARGE ROADS -- ROADS OPERATING A MILEAGE IN EXCESS OF 250 MILES OR HAVING ANNUAL OPERATING REVENUES OF MORE THAN ONE MILLION DOLLARS. INCLUDED IN THIS CLASS, HOWEVER, ARE SMALL ROADS SUBJECT TO CONTROL, DIRECT OR INDIRECT, OF LARGE ROADS AS DEFINED HERE. IN NOVEMBER 1910 THERE OCCURRED A CHANGE IN CLASSIFICATION -- CLASS I RAILROADS ARE ALL STEAM RAILWAY COMPANIES WHOSE OPERATING REVENUES EXCEEDED ONE MILLION DOLLARS. THESE DATA ARE NOT STRICTILY COMPARABLE WITH PREVIOUS FIGURES. REVISED DATA WHEN PROVIDED HAVE BEEN USED, WITH THE EXCEPTIONS OF JULY-OCTOBER 1910 AND JANUARY 1913-JUNE 1914. ............................................................... 0 VAR 0172 03016B OPERA 3S 907-942 MD=-999999 REF 0172 LOC 1509 WIDTH 9 DK 24 COL 62-70 IMP DEC= 1 0 OPERATING REVENUES OF RAILROADS, FREIGHT, SEASONALLY ADJUSTED ---------------------------------------------------- NBER SERIES: 03016B AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1907-12/1942 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, BUREAU OF STATISTICS, DATA FOR 1907-JUNE 1914: BULLETIN OF REVENUES AND EXPENSES OF STEAM ROADS IN THE UNITED STATES, NO. 5, P. 12; NO. 18, P. 12; NO. 31, P. 12; NOS. 32-69. DATA FOR JULY 1914-1919: "OPERATING REVENUES AND EXPENSES OF LARGE STEAM RAILROADS, JULY 1914-DECEMBER 1919". DATA FOR 1920-1942: "OPERATING REVENUES AND OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES", MONTHLY. NOTES: DATA FOR CLASS I RAILWAYS EXCLUDES SWITCHING AND TERMINAL COMPANIES FROM 1907-OCTOBER 1910; THEREAFTER THEY ARE INCLUDED. 1 (ICPSR 7644) 137 - (CONTINUED) - DATA FOR 1907-OCTOBER 1910 COVER CLASS A RAILROADS WHICH INCLUDE LARGE ROADS -- ROADS OPERATING A MILEAGE IN EXCESS OF 250 MILES OR HAVING ANNUAL OPERATING REVENUES OF MORE THAN ONE MILLION DOLLARS. INCLUDED IN THIS CLASS, HOWEVER, ARE SMALL ROADS SUBJECT TO CONTROL, DIRECT OR INDIRECT, OF LARGE ROADS AS DEFINED HERE. IN NOVEMBER 1910 THERE OCCURRED A CHANGE IN CLASSIFICATION -- CLASS I RAILROADS ARE ALL STEAM RAILWAY COMPANIES WHOSE OPERATING REVENUES EXCEEDED ONE MILLION DOLLARS. THESE DATA ARE NOT STRICTILY COMPARABLE WITH PREVIOUS FIGURES. REVISED DATA WHEN PROVIDED HAVE BEEN USED, WITH THE EXCEPTIONS OF JULY-OCTOBER 1910 AND JANUARY 1913-JUNE 1914. ............................................................... 0 VAR 0173 03005 ELECTED 3R 878-914 MD=-999999 REF 0173 LOC 1518 WIDTH 9 DK 24 COL 71-79 0 FREIGHT RECEIPTS, SELECTED RAILWAYS ----------------------------------- NBER SERIES: 03005 AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF POUNDS STERLING PER WEEK ANNUAL COVERAGE: 1879-1913 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 03/1878-07/1914 SEASONAL ADJUSTMENT: NONE SOURCE: COMPUTED BY NBER FROM CUMULATIVE WEEKLY TOTALS, DIVIDING BY FOUR OR FIVE, DEPENDING ON THE NUMBER OF WEEKS HAVING A MAJORITY OF DAYS IN A GIVEN MONTH. NOTES: COVERAGE IS OF ELEVEN RAILROADS FOR 1878-FEBRUARY 1879; FIFTEEN FOR MARCH-JUNE 1879; SIXTEEN FOR JULY 1879-DECEMBER 1880; SEVENTEEN FOR 1831-DECEMBER 1898. IN JANUARY 1899 TWO COMPANIES COMBINED LEAVING SIXTEEN COMPANIES, BUT CONSISTENCY IS UNAFFECTED. FOR MAY AND JUNE DATA OF 1878: A SUM WAS GIVEN ONLY FOR THE LAST WEEK IN MAY AND THE FIRST TWO IN JUNE. DATA WERE DERIVED IN PROPORTIONS OF ONE-THIRD AND TWO-THIRDS. FOR AUGUST AND SEPTEMBER OF 1878: A SUM WAS GIVEN ONLY FOR THE LAST WEEK IN AUGUST AND FIRST TWO IN SEPTEMBER AND DATA WERE AGAIN DERIVED ON SIMILAR PROPORTIONS. A COAL STRIKE FROM JULY-NOVEMBER OF 1893 AFFECTED DATA FOR AUGUST-OCTOBER OF THE YEAR. A NATIONAL COAL STRIKE IS ASSUMED TO HAVE AFFECTED THE DATA FOR MARCH AND APRIL OF 1912. 1 138 (ICPSR 7644) - DECK IDENTIFICATION NUMBER IS '25' DK 25 COL 1- 2 ---------------------------------- 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 25 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 25 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 25 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. 1 (ICPSR 7644) 139 - 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 25 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 25 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0174 03005 ELECTED 3S 878-914 MD=-999999 REF 0174 LOC 1527 WIDTH 9 DK 25 COL 17-25 0 FREIGHT RECEIPTS, SELECTED RAILWAYS, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03005 1 140 (ICPSR 7644) - (CONTINUED) - AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF POUNDS STERLING PER WEEK ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 03/1878-07/1914 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: COMPUTED BY NBER FROM CUMULATIVE WEEKLY TOTALS, DIVIDING BY FOUR OR FIVE, DEPENDING ON THE NUMBER OF WEEKS HAVING A MAJORITY OF DAYS IN A GIVEN MONTH. NOTES: COVERAGE IS OF ELEVEN RAILROADS FOR 1878-FEBRUARY 1879; FIFTEEN FOR MARCH-JUNE 1879; SIXTEEN FOR JULY 1879-DECEMBER 1880; SEVENTEEN FOR 1831-DECEMBER 1898. IN JANUARY 1899 TWO COMPANIES COMBINED LEAVING SIXTEEN COMPANIES, BUT CONSISTENCY IS UNAFFECTED. FOR MAY AND JUNE DATA OF 1878: A SUM WAS GIVEN ONLY FOR THE LAST WEEK IN MAY AND THE FIRST TWO IN JUNE. DATA WERE DERIVED IN PROPORTIONS OF ONE-THIRD AND TWO-THIRDS. FOR AUGUST AND SEPTEMBER OF 1878: A SUM WAS GIVEN ONLY FOR THE LAST WEEK IN AUGUST AND FIRST TWO IN SEPTEMBER AND DATA WERE AGAIN DERIVED ON SIMILAR PROPORTIONS. A COAL STRIKE FROM JULY-NOVEMBER OF 1893 AFFECTED DATA FOR AUGUST-OCTOBER OF THE YEAR. A NATIONAL COAL STRIKE IS ASSUMED TO HAVE AFFECTED THE DATA FOR MARCH AND APRIL OF 1912. ............................................................... 0 VAR 0175 03084 EIT ALL 3R 920-931 MD=-999999 REF 0175 LOC 1536 WIDTH 9 DK 25 COL 26-34 0 FREIGHT TRAIN RECEIPTS, ALL FREIGHT ----------------------------------- NBER SERIES: 03084 AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF POUNDS STERLING ANNUAL COVERAGE: 1920-1938 QUARTERLY COVERAGE: FIRST,1931 - FIRST,1939 MONTHLY COVERAGE: 01/1920-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS", SUCCESSIVE ISSUES. NOTES: DATA FOR 1920-JULY 1921 COVER CONTROLLED RAILWAYS ONLY. DATA FOR 1920-1929 EXCLUDE RECEIPTS FROM COLLECTION AND DELIVERY. DURING PROCESSING IT WAS DISCOVERED THAT MONTHLY AND QUARTERLY FIGURES FOR 1931 AS PROVIDED BY NBER DO NOT AGREE, 1 (ICPSR 7644) 141 - (CONTINUED) - BUT DATA HAVE NOT BEEN CHANGED. THE ANNUAL FIGURE PROVIDED HERE WAS COMPUTED FROM MONTHLY DATA. ............................................................... 0 VAR 0176 03007 PRUSSIA 3R 887-913 MD=-999999 REF 0176 LOC 1545 WIDTH 9 DK 25 COL 35-43 IMP DEC= 1 0 EARNINGS OF PRUSSIAN-HESSIAN RAILWAYS FROM FREIGHT -------------------------------------------------- NBER SERIES: 03007 AREA COVERED: GERMANY UNITS: MILLIONS OF MARKS ANNUAL COVERAGE: 1888-1913 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1887-12/1913 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1887-MARCH 1897: HESSIA, "MITTEILUNGEN DER GRASSHERZOLICH HESSISCHEN ZENTRALESTELLE FUR DIE LANDESSTATISTIK", MARCH 1887, P. 94, AND FOLLOWING MONTHLY ISSUES; PRUSSIA, EISENBAHN DEPARTMENT, "BERICHT UBER DIE ERGEBNISSE DES BETRIEBES DER FUR RECHNUNG DES PREUSSISCHEN STAATES VERWALTUNG EISENBAHNEN", 1888, P. 178, AND FOLLOWING YEARLY EDITIONS. DATA FOR APRIL 1897-1913: DR. P. KREBS, KONJUNKTUR UND EISENBAHN-GUTERVERKEHR, 1926, P. 59. NOTES: SERIES 03007 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1887-1913 (2)--SEASONALLY ADJUSTED DATA, 1887-1913 (3)--ORIGINAL DATA, 1919-1934 (4)--SEASONALLY ADJUSTED, 1919-1934. DATA FOR 1887-MARCH 1897 WERE COMPUTED BY ADDING ITEMS FOR SEVERAL SUBDIVISIONS OF THE HESSIAN RAILROADS, THEN ADDING FIGURES FOR PRUSSIAN. DATA REFER TO PRUSSIAN-HESSIAN STATE RAILWAYS. DATA FOR JULY 1919-JULY 1923 WERE ORIGINALLY GIVEN IN PAPER MARKS, BUT HAVE BEEN DEFLATED BY NBER TO A GOLD MARK BASIS TO COMPARE WITH AUGUST 1919-1933 DATA WHICH ARE PRESENTED IN GOLD MARKS. ............................................................... 0 VAR 0177 03007 PRUSSIA 3S 887-913 MD=-999999 REF 0177 LOC 1554 WIDTH 9 DK 25 COL 44-52 IMP DEC= 1 0 EARNINGS OF PRUSSIAN-HESSIAN RAILWAYS FROM FREIGHT, SEASONALLY ADJUSTED --------------------------------------------------- 1 142 (ICPSR 7644) - (CONTINUED) - NBER SERIES: 03007 AREA COVERED: GERMANY UNITS: MILLIONS OF MARKS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1887-12/1913 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1887-MARCH 1897: HESSIA, "MITTEILUNGEN DER GRASSHERZOLICH HESSISCHEN ZENTRALESTELLE FUR DIE LANDESSTATISTIK", MARCH 1887, P. 94, AND FOLLOWING MONTHLY ISSUES; PRUSSIA, EISENBAHN DEPARTMENT, "BERICHT UBER DIE ERGEBNISSE DES BETRIEBES DER FUR RECHNUNG DES PREUSSISCHEN STAATES VERWALTUNG EISENBAHNEN", 1888, P. 178, AND FOLLOWING YEARLY EDITIONS. DATA FOR APRIL 1897-1913: DR. P. KREBS, KONJUNKTUR UND EISENBAHN-GUTERVERKEHR, 1926, P. 59. NOTES: SERIES 03007 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1887-1913 (2)--SEASONALLY ADJUSTED DATA, 1887-1913 (3)--ORIGINAL DATA, 1919-1934 (4)--SEASONALLY ADJUSTED, 1919-1934. DATA FOR 1887-MARCH 1897 WERE COMPUTED BY ADDING ITEMS FOR SEVERAL SUBDIVISIONS OF THE HESSIAN RAILROADS, THEN ADDING FIGURES FOR PRUSSIAN. DATA REFER TO PRUSSIAN-HESSIAN STATE RAILWAYS. DATA FOR JULY 1919-JULY 1923 WERE ORIGINALLY GIVEN IN PAPER MARKS, BUT HAVE BEEN DEFLATED BY NBER TO A GOLD MARK BASIS TO COMPARE WITH AUGUST 1919-1933 DATA WHICH ARE PRESENTED IN GOLD MARKS. ............................................................... 0 VAR 0178 03007 PRUSSIA 3R 919-934 MD=-999999 REF 0178 LOC 1563 WIDTH 9 DK 25 COL 53-61 IMP DEC= 1 0 FREIGHT EARNINGS OF GERMAN RAILROADS, REICHSBAHN ------------------------------------------------ NBER SERIES: 03007 AREA COVERED: GERMANY UNITS: MILLIONS OF MARKS ANNUAL COVERAGE: 1920-1933 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1919-10/1934 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1919-1922: CENTRALBLATT FUR DAS DEUTSCHE REICH, 1920, P. 1476 AND FOLLOWING ISSUES. DATA FOR 1922-1935: WIRTSCHAFT UND STATISTIK. 1 (ICPSR 7644) 143 - (CONTINUED) - NOTES: SERIES 03007 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1887-1913 (2)--SEASONALLY ADJUSTED DATA, 1887-1913 (3)--ORIGINAL DATA, 1919-1934 (4)--SEASONALLY ADJUSTED DATA, 1919-1934. DATA FOR APRIL 1919-JUNE 1923 WERE ORIGINALLY GIVEN IN PAPER MARKS, BUT HAVE BEEN CONVERTED BY NBER TO A GOLD MARK BASIS, TO COMPARE WITH FOLLOWING DATA WHICH ARE PRESENTED IN GOLD MARKS. ............................................................... 0 VAR 0179 03007 PRUSSIA 3S 919-934 MD=-999999 REF 0179 LOC 1572 WIDTH 9 DK 25 COL 62-70 IMP DEC= 1 0 FREIGHT EARNINGS OF GERMAN RAILROADS, REICHSBAHN, SEASONALLY ADJUSTED ------------------------------------------------------------ NBER SERIES: 03007 AREA COVERED: GERMANY UNITS: MILLIONS OF MARKS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1919-10/1934 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1919-1922: CENTRALBLATT FUR DAS DEUTSCHE REICH, 1920, P. 1476 AND FOLLOWING ISSUES. DATA FOR 1922-1935: WIRTSCHAFT UND STATISTIK. NOTES: SERIES 03007 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1887-1913 (2)--SEASONALLY ADJUSTED DATA, 1887-1913 (3)--ORIGINAL DATA, 1919-1934 (4)--SEASONALLY ADJUSTED DATA, 1919-1934. DATA FOR APRIL 1919-JUNE 1923 WERE ORIGINALLY GIVEN IN PAPER MARKS, BUT HAVE BEEN CONVERTED BY NBER TO A GOLD MARK BASIS, TO COMPARE WITH FOLLOWING DATA WHICH ARE PRESENTED IN GOLD MARKS. ............................................................... 0 VAR 0180 03003A RE NUE 3R 907-925 MD=-999999 REF 0180 LOC 1581 WIDTH 9 DK 25 COL 71-79 IMP DEC= 3 0 REVENUE PER FREIGHT TON-MILE, CLASS I RAILROADS ----------------------------------------------- NBER SERIES: 03003A 1 144 (ICPSR 7644) - (CONTINUED) - AREA COVERED: U.S. UNITS: CENTS PER TON-MILE ANNUAL COVERAGE: 1908-1913, 1917-1925 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1907-06/1914; 04/1916-12/1925 SEASONAL ADJUSTMENT: NONE SOURCE: DATA WERE COMPUTED BY NBER BY DIVIDING SERIES 03016B (FREIGHT OPERATING REVENUES, CLASS I, INCLUDING SWITCHING AND TERMINAL COMPANIES) BY SERIES 03001 (REVENUE AND NON-REVENUE TON-MILES, CLASS I, EXCLUDING SWITCHING AND TERMINAL COMPANIES); BOTH SERIES ARE FROM INTERSTATE COMMERCE COMMISSION SOURCES. DATA FOR 1907-1919: "OPERATING REVENUES AND EXPENSES OF LARGE STEAM ROADS"; "OPERATING REVENUES AND OPERATING EXPENSES OF CLASS I RAILWAYS; ALSO FROM THE U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, ISSUE OF DECEMBER 1923, AND 1932 ANNUAL SUPPLEMENT. DATA FOR 1920 1925: ICC, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES." NOTES: SERIES 03003 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1925 (2)--SEASONALLY ADJUSTED DATA, 1907-1921 (3)--ORIGINAL DATA, 1920-1956 (4)--SEASONALLY ADJUSTED DATA, 1920-1942. DECK IDENTIFICATION NUMBER IS '26' DK 26 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 26 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 26 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, 1 (ICPSR 7644) 145 - (CONTINUED) - SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 26 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 26 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. 1 146 (ICPSR 7644) - 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 26 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0181 03003A RE NUE 3S 907-921 MD=-999999 REF 0181 LOC 1590 WIDTH 9 DK 26 COL 17-25 IMP DEC= 3 0 REVENUE PER FREIGHT TON-MILE, CLASS I RAILROADS, SEASONALLY ADJUSTED ----------------------------------------------------------- NBER SERIES: 03003A AREA COVERED: U.S. UNITS: CENTS PER TON-MILE ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 7/1907-12/1925 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA WERE COMPUTED BY NBER BY DIVIDING SERIES 03016B (FREIGHT OPERATING REVENUES, CLASS I, INCLUDING SWITCHING AND TERMINAL COMPANIES) BY SERIES 03001 (REVENUE AND NON-REVENUE TON-MILES, CLASS I, EXCLUDING SWITCHING AND TERMINAL COMPANIES); BOTH SERIES ARE FROM INTERSTATE COMMERCE COMMISSION SOURCES. DATA FOR 1907-1919: "OPERATING REVENUES AND EXPENSES OF LARGE STEAM ROADS"; "OPERATING REVENUES AND OPERATING EXPENSES OF CLASS I RAILWAYS; ALSO FROM THE U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, ISSUE OF DECEMBER 1923, AND 1932 ANNUAL SUPPLEMENT. DATA FOR 1920 1925: ICC, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES." NOTES: SERIES 03003 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1925 (2)--SEASONALLY 1 (ICPSR 7644) 147 - (CONTINUED) - ADJUSTED DATA, 1907-1921 (3)--ORIGINAL DATA, 1920-1956 (4)--SEASONALLY ADJUSTED DATA, 1920-1942. ............................................................... 0 VAR 0182 03003A RE NUE 3R 920-956 MD=-999999 REF 0182 LOC 1599 WIDTH 9 DK 26 COL 26-34 IMP DEC= 3 0 REVENUE PER FREIGHT TON-MILE, CLASS I RAILROADS ----------------------------------------------- NBER SERIES: 03003A AREA COVERED: U.S. UNITS: CENTS PER TON-MILE ANNUAL COVERAGE: 1920-1955 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-04/1956 SEASONAL ADJUSTMENT: NONE SOURCE: NBER COMPUTED DATA FROM INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: SERIES 03003A IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1925 (2)--SEASONALLY ADJUSTED DATA, 1907-1921 (3)--ORIGINAL DATA, 1920-1956 (4)--SEASONALLY ADJUSTED DATA, 1920-1942. DATA WERE COMPUTED BY NBER BY DIVIDING SERIES 03016B (FREIGHT OPERATING REVENUES, CLASS I, EXCLUDING SWITCHING AND TERMINAL COMPANIES) BY SERIES 03003 (REVENUE TON-MILES, CLASS I, EXCLUDING SWITCHING AND TERMINAL COMPANIES); BOTH SERIES ARE BASED ON THE INTERSTATE COMMERCE COMMISSION SOURCE. ............................................................... 0 VAR 0183 03003A RE NUE 3S 920-942 MD=-999999 REF 0183 LOC 1608 WIDTH 9 DK 26 COL 35-43 IMP DEC= 3 0 REVENUE PER FREIGHT TON-MILE,CLASS I RAILROADS, SEASONALLY ADJUSTED ---------------------------------------------------------- NBER SERIES: 03003A AREA COVERED: U.S. UNITS: CENTS PER TON-MILE ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-04/1942 1 148 (ICPSR 7644) - (CONTINUED) - SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: NBER COMPUTED DATA FROM INTERSTATE COMMERCE COMMISSION, "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: SERIES 03003A IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1925 (2)--SEASONALLY ADJUSTED DATA, 1907-1921 (3)--ORIGINAL DATA, 1920-1956 (4)--SEASONALLY ADJUSTED DATA, 1920-1942. DATA WERE COMPUTED BY NBER BY DIVIDING SERIES 03016B (FREIGHT OPERATING REVENUES, CLASS I, EXCLUDING SWITCHING AND TERMINAL COMPANIES) BY SERIES 03003 (REVENUE TON-MILES, CLASS I, EXCLUDING SWITCHING AND TERMINAL COMPANIES); BOTH SERIES ARE BASED ON THE INTERSTATE COMMERCE COMMISSION SOURCE. ............................................................... 0 VAR 0184 03003B VE NUE 1R 888-935 MD=-999999 REF 0184 LOC 1617 WIDTH 9 DK 26 COL 44-52 IMP DEC= 3 0 REVENUE PER FREIGHT TON-MILE, ALL RAILROADS ------------------------------------------- NBER SERIES: 03003B AREA COVERED: U.S. UNITS: CENTS ANNUAL COVERAGE: 1888-1935 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1888-1889: "STATISTICS OF RAILWAYS", 1893, P. 63; DATA FOR 1890-1935: "STATISTICS OF RAILWAYS, 1926 PP. CI, CII; 1935, P. 5-113 (STATEMENT #53, FOR BOTH YEARS). NOTES: DATA FOR 1908-1935 EXCLUDE SWITCHING AND TERMINAL COMPANIES. DATA FOR 1888-1916 REPRESENT FISCAL YEAR FIGURES WITH YEAR ENDING JUNE 30 OF YEAR NAMED; DATA FOR 1917-1935 REPRESENT CALENDAR YEARS. THE FIGURE FOR 1913 INCLUDES CLASS I AND II RAILROADS ONLY. 1 (ICPSR 7644) 149 - 0 VAR 0185 03003D REV ER 1R 882-911 MD=-999999 REF 0185 LOC 1626 WIDTH 9 DK 26 COL 53-61 IMP DEC= 3 0 REVENUE PER FREIGHT TON-MILE, ALL RAILROADS ------------------------------------------- NBER SERIES: 03003D AREA COVERED: U.S. UNITS: CENTS ANNUAL COVERAGE: 1882-1911 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: POOR'S MANUAL OF RAILROADS, 1890, PP. XIII-XIV; 1891, PP. XIII; 1900, P. 1; 1905, P. II; 1910, PP. CIX, CVII; 1912, PP. CXXXIV-CXLVIII. NOTES: DATA FOR 1882-1911 WERE CHECKED BY DIVIDING FREIGHT EARNINGS BY TON-MILES. THE FIGURE FOR 1894 WAS GIVEN AS .864, WHICH DOES NOT CHECK; THEREFORE IT WAS CORRECTED BY NBER TO .852. FISCAL YEARS OF REPORTING COMPANIES VARY. ............................................................... 0 VAR 0186 03003F NUE ER 1R 865-890 MD=-999999 REF 0186 LOC 1635 WIDTH 9 DK 26 COL 62-70 IMP DEC= 3 0 REVENUE PER FREIGHT TON-MILE, THIRTEEN RAILROADS ------------------------------------------------ NBER SERIES: 03003F AREA COVERED: U.S. UNITS: CENTS ANNUAL COVERAGE: 1865-1890 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: POOR'S MANUAL OF RAILROADS, 1888, PP. XXVII-XXIX; 1889, P. VIII; 1890; 1891. NOTES: DATA FOR 1865-1888 WERE COMPUTED BY ADDING FIGURES FOR TON-MILES PRESENTED IN GROUPINGS OF SEVEN AND SIX RAILROADS AND DIVIDING INTO FREIGHT EARNINGS FOR THE TWO GROUPS (SEE SERIES 03003H AND 03003J). DATA FOR 1889-1890 WERE COMPUTED FROM FREIGHT EARNINGS AND TON-MILES OF THIRTEEN INDIVIDUAL RAILROADS. DATA WERE REVISED IN 1887, BUT ARE PRESENTED AS ONE 1 150 (ICPSR 7644) - (CONTINUED) - VARIABLE. THE FIGURES FOR 1887 AND 1888 MORE COMPARABLE TO EARLIER DATA ARE .827 AND .783. ............................................................... 0 VAR 0187 03015B RR EAR 3S 886-890 MD=-999999 REF 0187 LOC 1644 WIDTH 9 DK 26 COL 71-79 IMP DEC= 1 0 RAILROAD GROSS EARNINGS, SEASONALLY ADJUSTED -------------------------------------------- NBER SERIES: 03015B AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1886-12/1890 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: BABSON STATISTICAL ORGANIZATION, INC., DIRECT FROM FILES. NOTES: SERIES 03015B IS PRESENTED HERE AS TEN VARIABLES--(1)--ORIGINAL DATA, 1870-1879 (2)--SEASONALLY ADJUSTED DATA, 1870-1879 (3)--ORIGINAL DATA, 1879-1886 (4)--SEASONALLY ADJUSTED, 1879-1886 (5)--ORIGINAL DATA, 1886-1890 (6)--SEASONALLY ADJUSTED, 1886-1890 (7)--ORIGINAL DATA, 1890-1902 (8)--SEASONALLY ADJUSTED, 1890-1902 (9)--ORIGINAL DATA, 1902-1909 (10)--SEASONALLY ADJUSTED, 1902-1909. THE NUMBER OF COMPANIES COVERED CHANGES FOR EACH TIME SEGMENT. DECK IDENTIFICATION NUMBER IS '27' DK 27 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 27 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. 1 (ICPSR 7644) 151 - 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 27 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 27 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 27 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. 1 152 (ICPSR 7644) - (CONTINUED) - THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 27 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0188 03003J ER SIX 1R 836-890 MD=-999999 REF 0188 LOC 1653 WIDTH 9 DK 27 COL 17-25 IMP DEC= 3 0 REVENUE PER FREIGHT TON-MILE, SIX RAILROADS ------------------------------------------- NBER SERIES: 03003J AREA COVERED: U.S. UNITS: CENTS ANNUAL COVERAGE: 1865-1890 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: POOR'S MANUAL OF RAILROADS, 1888, PP. XXVII-XXIX; 1889, P. VIII; 1890; 1891. NOTES: DATA FOR 1889-1890 WERE COMPUTED FROM FREIGHT EARNINGS AND TON-MILE DATA OF INDIVIDUAL RAILROAD REPORTS. NBER CHECKED DATA BY DIVIDING FIGURES FOR FREIGHT EARNINGS BY TON-MILES FOR THE GROUP OF SIX RAILROADS. 1 (ICPSR 7644) 153 - 0 VAR 0189 03016A TIN PA 3R 907-956 MD=-999999 REF 0189 LOC 1662 WIDTH 9 DK 27 COL 26-34 IMP DEC= 1 0 OPERATING REVENUES OF RAILROADS, PASSENGER ------------------------------------------ NBER SERIES: 03016A AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1908-1955 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1907-05/1956 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1907-JUNE 1914: BULLETIN OF REVENUES AND EXPENSES OF STEAM RAILROADS IN THE UNITED STATES, NO. 5, P. 12; NO. 31, P. 12; NOS. 32-69. DATA FOR JULY 1914-1919: "OPERATING REVENUES AND EXPENSES OF LARGE STEAM ROADS, JULY 1914-DECEMBER 1919". DATA FOR 1920-MAY 1956: "OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES", MONTHLY STATEMENTS (EXCLUDING DATA FOR OCTOBER-DECEMBER 1922 WHICH ARE FROM U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS", NOVEMBER 1924, P. 147. NOTES: COVERAGE FOR 1907-OCTOBER 1910 INCLUDES ALL RAILROAD COMPANIES WHOSE TOTAL REVENUES EXCEEDED ONE MILLION DOLLARS; THEREAFTER DATA COVER LARGE RAILROADS OPERATING IN EXCESS OF 250 MILES AND HAVING ANNUAL OPERATING REVENUES OF MORE THAN ONE MILLION DOLLARS, INCLUDING SMALL RAILROADS SUBJECT TO CONTROL, DIRECT OR INDIRECT, OF LARGE RAILROADS. ALL DATA ARE FOR CLASS A OR CLASS I RAILROADS, BUT DATA FOR 1907-OCTOBER 1910 ARE NOT STRICTLY COMPARABLE WITH DATA THEREAFTER. DATA FOR SEPTEMBER 1920-JUNE 1936 INCLUDES SLEEPING AND PARLOR CAR SURCHARGES; THEREAFTER THE SURCHARGE IS EXCLUDED. DATA FOR 1907-OCTOBER 1910 AND 1933-1956 EXCLUDE SWITCHING AND TERMINAL COMPANIES; DATA FOR NOVEMBER 1910-1932 INCLUDE THESE COMPANIES. DATA FOR 1913-JUNE 1914 AND JULY 1910-OCTOBER 1910 ARE UNREVISED. ............................................................... 0 VAR 0190 03016A TIN PA 3S 907-942 MD=-999999 REF 0190 LOC 1671 WIDTH 9 DK 27 COL 35-43 IMP DEC= 1 0 OPERATING REVENUES OF RAILROADS, PASSENGER, SEASONALLY ADJUSTED ------------------------------------------------------ 1 154 (ICPSR 7644) - (CONTINUED) - NBER SERIES: 03016A AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1907-12/1942 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1907-JUNE 1914: BULLETIN OF REVENUES AND EXPENSES OF STEAM RAILROADS IN THE UNITED STATES, NO. 5, P. 12; NO. 31, P. 12; NOS. 32-69. DATA FOR JULY 1914-1919: "OPERATING REVENUES AND EXPENSES OF LARGE STEAM ROADS, JULY 1914-DECEMBER 1919". DATA FOR 1920-1942: "OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES", MONTHLY STATEMENTS (EXCLUDING DATA FOR OCTOBER-DECEMBER 1922 WHICH ARE FROM U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS", NOVEMBER 1924, P. 147. NOTES: COVERAGE FOR 1907-OCTOBER 1910 INCLUDES ALL RAILROAD COMPANIES WHOSE TOTAL REVENUES EXCEEDED ONE MILLION DOLLARS; THEREAFTER DATA COVER LARGE RAILROADS OPERATING IN EXCESS OF 250 MILES AND HAVING ANNUAL OPERATING REVENUES OF MORE THAN ONE MILLION DOLLARS, INCLUDING SMALL RAILROADS SUBJECT TO CONTROL, DIRECT OR INDIRECT, OF LARGE RAILROADS. ALL DATA ARE FOR CLASS A OR CLASS I RAILROADS, BUT DATA FOR 1907-OCTOBER 1910 ARE NOT STRICTLY COMPARABLE WITH DATA THEREAFTER. DATA FOR SEPTEMBER 1920-JUNE 1936 INCLUDES SLEEPING AND PARLOR CAR SURCHARGES; THEREAFTER THE SURCHARGE IS EXCLUDED. DATA FOR 1907-OCTOBER 1910 AND 1933-1942 EXCLUDE SWITCHING AND TERMINAL COMPANIES; DATA FOR NOVEMBER 1910-1932 INCLUDE THESE COMPANIES. DATA FOR 1913-JUNE 1914 AND JULY 1910-OCTOBER 1910 ARE UNREVISED. ............................................................... 0 VAR 0191 03010I PU MAN 3R 913-943 MD=-999999 REF 0191 LOC 1680 WIDTH 9 DK 27 COL 44-52 IMP DEC= 2 0 PASSENGER REVENUES, PULLMAN COMPANY ----------------------------------- NBER SERIES: 03010I AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1913-1942 QUARTERLY COVERAGE: NONE 1 (ICPSR 7644) 155 - (CONTINUED) - MONTHLY COVERAGE: 01/1913-11/1943 SEASONAL ADJUSTMENT: NONE SOURCE: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, JANUARY 1939 AND FOLLOWING ISSUES. NOTES: DATA REFER TO REVENUES DERIVED FROM PAYING PASSENGERS INCLUDING BERTH AND SEAT REVENUES. ............................................................... 0 VAR 0192 03010I PU MAN 3S 913-941 MD=-999999 REF 0192 LOC 1689 WIDTH 9 DK 27 COL 53-61 IMP DEC= 2 0 PASSENGER REVENUES, PULLMAN COMPANY, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03010I AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1913-12/1941 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, JANUARY 1939 AND FOLLOWING ISSUES. NOTES: DATA REFER TO REVENUES DERIVED FROM PAYING PASSENGERS INCLUDING BERTH AND SEAT REVENUES. ............................................................... 0 VAR 0193 03012 PRU HES 3R 887-913 MD=-999999 REF 0193 LOC 1698 WIDTH 9 DK 27 COL 62-70 IMP DEC= 1 0 EARNINGS OF PRUSSIAN-HESSIAN RAILWAYS, PASSENGERS ------------------------------------------------- NBER SERIES: 03012 AREA COVERED: GERMANY UNITS: MILLIONS OF MARKS ANNUAL COVERAGE: 1888-1913 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1887-12/1913 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1887-MARCH 1897: HESSIA, "MITTEILUNGEN DER GRASSHERZOLICH HESSISCHEN ZENTRALESTELLE FUR DIE LANDESSTATISTIK", MARCH 1887, P. 94, AND FOLLOWING MONTHLY ISSUES; PRUSSIA, EISENBAHN DEPARTMENT, "BERICHT UBER DIE 1 156 (ICPSR 7644) - (CONTINUED) - ERGEBNISSE DES BETRIEBES DER FUR RECHNUNG DES PREUSSISCHEN STAATES VERWALTUNG EISENBAHNEN", 1888, P. 178, AND FOLLOWING YEARLY EDITIONS. DATA FOR APRIL 1897-1913: DR. P. KREBS, KONJUNKTUR UND EISENBAHN-GUTERVERKEHR, 1926, P. 59. NOTES: SERIES 03012 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1887-1913 (2)--SEASONALLY ADJUSTED DATA, 1887-1913 (3)--ORIGINAL DATA, 1919-1934 (4)--SEASONALLY ADJUSTED DATA, 1919-1934. DATA FOR 1887-MARCH 1897 WERE COMPUTED BY ADDING ITEMS FOR SEVERAL SUBDIVISIONS OF THE HESSIAN RAILROADS, THEN ADDING FIGURES FOR PRUSSIAN. DATA REFER TO PRUSSIAN-HESSIAN STATE RAILWAYS. DATA FOR 1897-1908 WERE CHECKED WITH "BERICHT UBER DIE ERGEBNISSE DES BETRIEBES DER FUR RECHNUNG DES PRUSSISCHES STAATES VERWALTUNG EISENBAHNEN", 1888, P. 178 (THE SOURCE OF PRUSSIAN DATA FOR 1887-MARCH 1897) WHICH GIVES TOTAL PRUSSIAN-HESSIAN DATA FOR 1897-1908. DATA FOR APRIL 1919-JULY 1923 WERE COMPUTED BY NBER BY DEFLATING PAPER MARKS TO GOLD MARKS TO CORRESPOND TO ALL OTHER DATA. ............................................................... 0 VAR 0194 03012 PRU HES 3S 887-913 MD=-999999 REF 0194 LOC 1707 WIDTH 9 DK 27 COL 71-79 IMP DEC= 1 0 EARNINGS OF PRUSSIAN-HESSIAN RAILWAYS, PASSENGERS, SEASONALLY ADJUSTED -------------------------------------------------- NBER SERIES: 03012 AREA COVERED: GERMANY UNITS: MILLIONS OF MARKS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1887-12/1913 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1887-MARCH 1897: HESSIA, "MITTEILUNGEN DER GRASSHERZOLICH HESSISCHEN ZENTRALESTELLE FUR DIE LANDESSTATISTIK", MARCH 1887, P. 94, AND FOLLOWING MONTHLY ISSUES; PRUSSIA, EISENBAHN DEPARTMENT, "BERICHT UBER DIE ERGEBNISSE DES BETRIEBES DER FUR RECHNUNG DES PREUSSISCHEN STAATES VERWALTUNG EISENBAHNEN", 1888, P. 178, AND FOLLOWING YEARLY EDITIONS. DATA FOR APRIL 1897-1913: DR. P. KREBS, KONJUNKTUR UND EISENBAHN-GUTERVERKEHR, 1926, P. 59. NOTES: SERIES 03012 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1887-1913 (2)--SEASONALLY 1 (ICPSR 7644) 157 - (CONTINUED) - ADJUSTED DATA, 1887-1913 (3)--ORIGINAL DATA, 1919-1934 (4)--SEASONALLY ADJUSTED DATA, 1919-1934. DATA FOR 1887-MARCH 1897 WERE COMPUTED BY ADDING ITEMS FOR SEVERAL SUBDIVISIONS OF THE HESSIAN RAILROADS, THEN ADDING FIGURES FOR PRUSSIAN. DATA REFER TO PRUSSIAN-HESSIAN STATE RAILWAYS. DATA FOR 1897-1908 WERE CHECKED WITH "BERICHT UBER DIE ERGEBNISSE DES BETRIEBES DER FUR RECHNUNG DES PRUSSISCHES STAATES VERWALTUNG EISENBAHNEN", 1888, P. 178 (THE SOURCE OF PRUSSIAN DATA FOR 1887-MARCH 1897) WHICH GIVES TOTAL PRUSSIAN-HESSIAN DATA FOR 1897-1908. DATA FOR APRIL 1919-JULY 1923 WERE COMPUTED BY NBER BY DEFLATING PAPER MARKS TO GOLD MARKS TO CORRESPOND TO ALL OTHER DATA. DECK IDENTIFICATION NUMBER IS '28' DK 28 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 28 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 28 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 28 COL 8-10 0 PART NUMBER ----------- 1 158 (ICPSR 7644) - (CONTINUED) - A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 28 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 28 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN 1 (ICPSR 7644) 159 - (CONTINUED) - ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0195 03012 PRU HES 3R 919-934 MD=-999999 REF 0195 LOC 1716 WIDTH 9 DK 28 COL 17-25 IMP DEC= 1 0 EARNINGS OF GERMAN RAILROADS, PASSENGER AND BAGGAGE, REICHSBAHN ---------------------------------------------------- NBER SERIES: 03012 AREA COVERED: GERMANY UNITS: MILLIONS OF MARKS ANNUAL COVERAGE: 1920-1933 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1919-10/1934 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1919-1922: CENTRALBLATT FUR DAS DEUTSCHE REICH, 1920, P. 1476, AND FOLLOWING ISSUES; DATA FOR 1922-1935: WIRTSCHAFT UND STATISTIK. NOTES: SERIES 03012 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1887-1913 (2)--SEASONALLY ADJUSTED DATA, 1887-1913 (3)--ORIGINAL DATA, 1919-1934 (4)--SEASONALLY ADJUSTED DATA, 1919-1934. DATA REFER TO REICHSBAHN (GOVERNMENT RAILROADS) ONLY, AND EXCLUDE ALL PRIVATE RAILROADS. DATA FOR APRIL 1919-JUNE 1923 WERE ORIGINALLY GIVEN IN PAPER MARKS, BUT HAVE BEEN CONVERTED BY NBER TO A GOLD MARK BASIS, TO COMPARE WITH FOLLOWING DATA WHICH ARE PRESENTED IN GOLD MARKS. ............................................................... 0 VAR 0196 03012 PRU HES 3S 919-934 MD=-999999 REF 0196 LOC 1725 WIDTH 9 DK 28 COL 26-34 IMP DEC= 1 0 EARNINGS OF GERMAN RAILROAD, PASSENGER AND BAGGAGE, REICHSBAHN, SEASONALLY ADJUSTED --------------------------------------------------- NBER SERIES: 03012 AREA COVERED: GERMANY UNITS: MILLIONS OF MARKS ANNUAL COVERAGE: NONE 1 160 (ICPSR 7644) - (CONTINUED) - QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 04/1919-10/1934 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1919-1922: CENTRALBLATT FUR DAS DEUTSCHE REICH, 1920, P. 1476, AND FOLLOWING ISSUES; DATA FOR 1922-1935: WIRTSCHAFT UND STATISTIK. NOTES: SERIES 03012 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1887-1913 (2)--SEASONALLY ADJUSTED DATA, 1887-1913 (3)--ORIGINAL DATA, 1919-1934 (4)--SEASONALLY ADJUSTED DATA, 1919-1934. DATA REFER TO REICHSBAHN (GOVERNMENT RAILROADS) ONLY, AND EXCLUDE ALL PRIVATE RAILROADS. DATA FOR APRIL 1919-JUNE 1923 WERE ORIGINALLY GIVEN IN PAPER MARKS, BUT HAVE BEEN CONVERTED BY NBER TO A GOLD MARK BASIS, TO COMPARE WITH FOLLOWING DATA WHICH ARE PRESENTED IN GOLD MARKS. ............................................................... 0 VAR 0197 03010A PER RA 3R 919-954 MD=-999999 REF 0197 LOC 1734 WIDTH 9 DK 28 COL 35-43 IMP DEC= 2 0 REVENUE PER PASSENGER-MILE, CLASS I RAILROADS --------------------------------------------- NBER SERIES: 03010A AREA COVERED: U.S. UNITS: CENTS ANNUAL COVERAGE: 1920-1953 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 03/1919-01/1954 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1919: COMPUTED BY NBER FROM PASSENGER OPERATING REVENUES IN "OPERATING REVENUES AND EXPENSES OF LARGE STEAM ROADS, JULY 1914-DECEMBER 1919" AND NUMBER OF PASSENGERS CARRIED ONE MILE IN "STATISTICS OF RAILWAYS", 1922, P. XCV. DATA FOR 1920-1954: "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA FOR APRIL 1938-1954 OMITTED THE SOUTHERN PACIFIC COMPANY'S ELECTRIC LINES, SINCE OPERATION OF THESE LINES WAS TRANSFERRED TO THE INTERURBAN ELECTRIC RAILROAD COMPANY. APRIL-DECEMBER 1938 FIGURES, INCLUDING SOUTHERN PACIFIC COMPANY ELECTRIC LINES, CAN BE DERIVED BY ADDING .01 TO MONTHLY DATA FIGURE. DATA FOR 1920-1954 EXCLUDE SWITCHING AND TERMINAL COMPANIES; DATA FOR 1919 INCLUDE THEM. 1 (ICPSR 7644) 161 - (CONTINUED) - ON AUGUST 26, 1920 FARES INCREASED 20%. DATA WERE COMPUTED PER REVENUE PASSENGER. DATA ARE SUBJECT TO REVISION AFTER JANUARY 1953. ............................................................... 0 VAR 0198 03010A PER RA 3S 919-941 MD=-999999 REF 0198 LOC 1743 WIDTH 9 DK 28 COL 44-52 IMP DEC= 2 0 REVENUE PER PASSENGER-MILE, CLASS I RAILROADS, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03010A AREA COVERED: U.S. UNITS: CENTS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 03/1919-12/1941 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1919: COMPUTED BY NBER FROM PASSENGER OPERATING REVENUES IN "OPERATING REVENUES AND EXPENSES OF LARGE STEAM ROADS, JULY 1914-DECEMBER 1919" AND NUMBER OF PASSENGERS CARRIED ONE MILE IN "STATISTICS OF RAILWAYS", 1922, P. XCV. DATA FOR 1920-1941: "REVENUE TRAFFIC STATISTICS OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA FOR APRIL 1938-1954 OMITTED THE SOUTHERN PACIFIC COMPANY'S ELECTRIC LINES, SINCE OPERATION OF THESE LINES WAS TRANSFERRED TO THE INTERURBAN ELECTRIC RAILROAD COMPANY. APRIL-DECEMBER 1938 FIGURES, INCLUDING SOUTHERN PACIFIC COMPANY ELECTRIC LINES, CAN BE DERIVED BY ADDING .01 TO MONTHLY DATA FIGURE. DATA FOR 1920-1941 EXCLUDE SWITCHING AND TERMINAL COMPANIES; DATA FOR 1919 INCLUDE THEM. ON AUGUST 26, 1920 FARES INCREASED 20%. DATA WERE COMPUTED PER REVENUE PASSENGER. ............................................................... 0 VAR 0199 03010C ALL RA 1R 888-916 MD=-999999 REF 0199 LOC 1752 WIDTH 9 DK 28 COL 53-61 IMP DEC= 3 0 REVENUE PER PASSENGER-MILE, ALL RAILROADS ----------------------------------------- NBER SERIES: 03010C 1 162 (ICPSR 7644) - (CONTINUED) - AREA COVERED: U.S. UNITS: CENTS ANNUAL COVERAGE: 1888-1916 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, "STATISTICS OF RAILWAYS", DATA FOR 1888-1889: 1893 EDITION, P.63; DATA FOR 1890-1916: 1926, NO. 53, PP. CI-CII; 1939, NO. 53, PP. 5-113. NOTES: SERIES 03010C IS PRESENTED HERE AS TWO VARIABLES--(1)--ORIGINAL DATA, 1888-1916 (2)--ORIGINAL DATA, 1916-1935. DATA ARE FOR FISCAL YEARS. DATA FOR 1908-1916 EXCLUDE SWITCHING AND TERMINAL COMPANIES. DATA FOR 1913-1916 INCLUDE CLASS I AND II RAILROADS ONLY. ............................................................... 0 VAR 0200 03010C ALL RA 1R 916-935 MD=-999999 REF 0200 LOC 1761 WIDTH 9 DK 28 COL 62-70 IMP DEC= 3 0 REVENUE PER PASSENGER-MILE, ALL RAILROADS ----------------------------------------- NBER SERIES: 03010C AREA COVERED: U.S. UNITS: CENTS ANNUAL COVERAGE: 1916-1935 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, "STATISTICS OF RAILWAYS", 1926, NO.53, PP. CI-CII; 1939, NO. 53, PP. 5-113. NOTES: SERIES 03010C IS PRESENTED HERE AS TWO VARIABLES--(1)--ORIGINAL DATA, 1888-1916 (2)--ORIGINAL DATA, 1916-1935. DATA ARE FOR CALENDAR YEARS. DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES. DATA INCLUDE CLASS I AND II RAILROADS ONLY (EXCLUDING CLASS III). 1 (ICPSR 7644) 163 - 0 VAR 0201 03010E GER MI 1R 882-911 MD=-999999 REF 0201 LOC 1770 WIDTH 9 DK 28 COL 71-79 IMP DEC= 3 0 REVENUE PER PASSENGER-MILE, ALL RAILROADS ----------------------------------------- NBER SERIES: 03010E AREA COVERED: U.S. UNITS: CENTS ANNUAL COVERAGE: 1882-1911 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: POOR'S MANUAL OF RAILROADS, 1890, P. XIII-XIV; 1891, P. XIII; 1900, P. 1; 1905, P. II; 1910, PP. CVII-CIX; 1912, PP. CXXXIV-CXLVIII. NOTES: DATA WERE CHECKED BY DIVIDING PASSENGER EARNINGS BY PASSENGER-MILES. THE FIGURE FOR 1908 WAS GIVEN AS 2.168, WHICH DOES NOT CHECK; THEREFORE IT WAS CORRECTED BY NBER TO 2.161. DECK IDENTIFICATION NUMBER IS '29' DK 29 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 29 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 29 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. 1 164 (ICPSR 7644) - 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 29 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 29 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 29 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF 1 (ICPSR 7644) 165 - (CONTINUED) - OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0202 03015A GRO IN 3S 866-914 MD=-999999 REF 0202 LOC 1779 WIDTH 9 DK 29 COL 17-25 IMP DEC= 2 0 RAILROAD GROSS EARNINGS, SEASONALLY ADJUSTED -------------------------------------------- NBER SERIES: 03015A AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1866-12/1914 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY SOURCE SOURCE: ARTHUR A COLE, "A MONTHLY INDEX OF RAILROAD EARNINGS", REVIEW OF ECONOMIC STATISTICS, FEBRUARY 1936, PP. 31 AND FF. NOTES: THE SUMS OF ACTUAL ITEMS WERE CORRECTED FOR SEASONAL FOR TRUNK LINES, WESTERN LINES, SOUTHERN LINES AND COAL ROADS. ............................................................... 0 VAR 0203 03015B RR EAR 3R 886-890 MD=-999999 REF 0203 LOC 1788 WIDTH 9 DK 29 COL 26-34 IMP DEC= 1 0 RAILROAD GROSS EARNINGS ----------------------- NBER SERIES: O3015B AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1886-1890 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE 1 166 (ICPSR 7644) - (CONTINUED) - SOURCE: BABSON STATISTICAL ORGANIZATION, INC., DIRECT FROM FILES. NOTES: SERIES 03015B IS PRESENTED HERE AS TEN VARIABLES--(1)--ORIGINAL DATA, 1870-1879 (2)--SEASONALLY ADJUSTED DATA, 1870-1879 (3)--ORIGINAL DATA, 1879-1886 (4)--SEASONALLY ADJUSTED, 1879-1886 (5)--ORIGINAL DATA, 1886-1890 (6)--SEASONALLY ADJUSTED, 1886-1890 (7)--ORIGINAL DATA, 1890-1902 (8)--SEASONALLY ADJUSTED, 1890-1902 (9)--ORIGINAL DATA, 1902-1909 (10)--SEASONALLY ADJUSTED, 1902-1909. THE NUMBER OF COMPANIES COVERED CHANGES FOR EACH TIME SEGMENT. ............................................................... 0 VAR 0204 03003H ER TON 1R 865-891 MD=-999999 REF 0204 LOC 1797 WIDTH 9 DK 29 COL 35-43 IMP DEC= 3 0 REVENUE PER FREIGHT TON-MILE, SEVEN RAILROADS --------------------------------------------- NBER SERIES: 03003H AREA COVERED: U.S. UNITS: CENTS ANNUAL COVERAGE: 1865-1891 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: POOR'S MANUAL OF RAILROADS, 1888, PP. XXVII-XXIX; 1889, P. VIII; 1890; 1891; 1892. NOTES: NBER CHECKED DATA BY DIVIDING FIGURES FOR FREIGHT EARNINGS BY FIGURES FOR TON-MILES FOR THE GROUPING OF SEVEN RAILROADS. THE FIGURE FOR 1866 PRESENTED HERE (2.544) WAS COMPUTED BY NBER; IT WAS GIVEN IN THE SOURCE AS 2.503. DATA WERE REVISED IN 1887, BUT ARE PRESENTED HERE AS ONE CONTINUOUS VARIABLE. FIGURES FOR 1887 AND 1889 MORE COMPARABLE TO EARLIER DATA ARE .718 AND .696 (THIS FIGURE WAS COMPUTED BY NBER AS THE SOURCE GAVE .609). ............................................................... 0 VAR 0205 03015B RR EAR 3R 870-879 MD=-999999 REF 0205 LOC 1806 WIDTH 9 DK 29 COL 44-52 IMP DEC= 2 0 RAILROAD GROSS EARNINGS ----------------------- 1 (ICPSR 7644) 167 - (CONTINUED) - NBER SERIES: 03015B AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1870-1879 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1870-12/1879 SEASONAL ADJUSTMENT: NONE SOURCE: BABSON STATISTICAL ORGANIZATION, INC., DIRECT FROM FILES. NOTES: SERIES 03015B IS PRESENTED HERE AS TEN VARIABLES--(1)--ORIGINAL DATA, 1870-1879 (2)--SEASONALLY ADJUSTED DATA, 1870-1879 (3)--ORIGINAL DATA, 1879-1886 (4)--SEASONALLY ADJUSTED DATA, 1879-1886 (5)--ORIGINAL DATA, 1886-1890 (6)--SEASONALLY ADJUSTED DATA, 1886-1890 (7)--ORIGINAL DATA, 1890-1902 (8)--SEASONALLY ADJUSTED DATA, 1890-1902 (9)--ORIGINAL DATA, 1902-1909 (10)--SEASONALLY ADJUSTED DATA, 1902-1909. THE NUMBER OF COMPANIES CHANGES COVERED CHANGES FOR EACH TIME SEGMENT. ............................................................... 0 VAR 0206 03015B RR EAR 3S 870-879 MD=-999999 REF 0206 LOC 1815 WIDTH 9 DK 29 COL 53-61 IMP DEC= 2 0 RAILROAD GROSS EARNINGS, SEASONALLY ADJUSTED -------------------------------------------- NBER SERIES: 03015B AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1870-12/1879 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: BABSON STATISTICAL ORGANIZATION, INC., DIRECT FROM FILES. NOTES: SERIES 03015B IS PRESENTED HERE AS TEN VARIABLES--(1)--ORIGINAL DATA, 1870-1879 (2)--SEASONALLY ADJUSTED DATA, 1870-1879 (3)--ORIGINAL DATA, 1879-1886 (4)--SEASONALLY ADJUSTED DATA, 1879-1886 (5)--ORIGINAL DATA, 1886-1890 (6)--SEASONALLY ADJUSTED DATA, 1886-1890 (7)--ORIGINAL DATA, 1890-1902 (8)--SEASONALLY ADJUSTED DATA, 1890-1902 (9)--ORIGINAL DATA, 1902-1909 (10)--SEASONALLY ADJUSTED DATA, 1902-1909. THE NUMBER OF COMPANIES COVERED CHANGES FOR EACH TIME 1 168 (ICPSR 7644) - (CONTINUED) - SEGMENT. ............................................................... 0 VAR 0207 03015B RR EAR 3R 879-886 MD=-999999 REF 0207 LOC 1824 WIDTH 9 DK 29 COL 62-70 IMP DEC= 1 0 RAILROAD GROSS EARNINGS ----------------------- NBER SERIES: 03015B AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1879-1886 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1879-12/1886 SEASONAL ADJUSTMENT: NONE SOURCE: BABSON STATISTICAL ORGANIZATION, INC., DIRECT FROM FILES. NOTES: SERIES 03015B IS PRESENTED HERE AS TEN VARIABLES--(1)--ORIGINAL DATA, 1870-1879 (2)--SEASONALLY ADJUSTED DATA, 1870-1879 (3)--ORIGINAL DATA, 1879-1886 (4)--SEASONALLY ADJUSTED DATA, 1879-1886 (5)--ORIGINAL DATA, 1886-1890 (6)--SEASONALLY ADJUSTED DATA, 1886-1890 (7)--ORIGINAL DATA, 1890-1902 (8)--SEASONALLY ADJUSTED DATA, 1890-1902 (9)--ORIGINAL DATA, 1902-1909 (10)--SEASONALLY ADJUSTED DATA, 1902-1909. THE NUMBER OF COMPANIES COVERED CHANGES FOR EACH TIME SEGMENT. ............................................................... 0 VAR 0208 03015B RR EAR 3S 879-886 MD=-999999 REF 0208 LOC 1833 WIDTH 9 DK 29 COL 71-79 IMP DEC= 1 0 RAILROAD GROSS EARNINGS, SEASONALLY ADJUSTED -------------------------------------------- NBER SERIES: 03015B AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1879-12/1886 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: BABSON STATISTICAL ORGANIZATION, INC., DIRECT FROM FILES. 1 (ICPSR 7644) 169 - (CONTINUED) - NOTES: SERIES 03015B IS PRESENTED HERE AS TEN VARIABLES--(1)--ORIGINAL DATA, 1870-1879 (2)--SEASONALLY ADJUSTED DATA, 1870-1879 (3)--ORIGINAL DATA, 1879-1886 (4)--SEASONALLY ADJUSTED DATA, 1879-1886 (5)--ORIGINAL DATA, 1886-1890 (6)--SEASONALLY ADJUSTED DATA, 1886-1890 (7)--ORIGINAL DATA, 1890-1902 (8)--SEASONALLY ADJUSTED DATA, 1890-1902 (9)--ORIGINAL DATA, 1902-1909 (10)--SEASONALLY ADJUSTED DATA, 1902-1909. THE NUMBER OF COMPANIES COVERED CHANGES FOR EACH TIME SEGMENT. DECK IDENTIFICATION NUMBER IS '30' DK 30 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 30 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 30 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 30 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET 1 170 (ICPSR 7644) - (CONTINUED) - IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 30 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 30 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED 1 (ICPSR 7644) 171 - (CONTINUED) - BY THE PROGRAM. ............................................................... 0 VAR 0209 03015B RR EAR 3R 890-902 MD=-999999 REF 0209 LOC 1842 WIDTH 9 DK 30 COL 17-25 IMP DEC= 1 0 RAILROAD GROSS EARNINGS ----------------------- NBER SERIES: 03015B AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1890-1902 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1890-12/1902 SEASONAL ADJUSTMENT: NONE SOURCE: BABSON STATISTICAL ORGANIZATION, INC., DIRECT FROM FILES. NOTES: SERIES 03015B IS PRESENTED HERE AS TEN VARIABLES--(1)--ORIGINAL DATA, 1870-1879 (2)--SEASONALLY ADJUSTED DATA, 1870-1879 (3)--ORIGINAL DATA, 1879-1886 (4)--SEASONALLY ADJUSTED DATA, 1879-1886 (5)--ORIGINAL DATA, 1886-1890 (6)--SEASONALLY ADJUSTED DATA, 1886-1890 (7)--ORIGINAL DATA, 1890-1902 (8)--SEASONALLY ADJUSTED DATA, 1890-1902 (9)--ORIGINAL DATA, 1902-1909 (10)--SEASONALLY ADJUSTED DATA, 1902-1909. THE NUMBER OF COMPANIES COVERED CHANGES FOR EACH TIME SEGMENT. ............................................................... 0 VAR 0210 03015B RR EAR 3S 890-902 MD=-999999 REF 0210 LOC 1851 WIDTH 9 DK 30 COL 26-34 IMP DEC= 1 0 RAILROAD GROSS EARNINGS, SEASONALLY ADJUSTED -------------------------------------------- NBER SERIES: 03015B AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1890-12/1902 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: BABSON STATISTICAL ORGANIZATION, INC., DIRECT FROM FILES. 1 172 (ICPSR 7644) - (CONTINUED) - NOTES: SERIES 03015B IS PRESENTED HERE AS TEN VARIABLES--(1)--ORIGINAL DATA, 1870-1879 (2)--SEASONALLY ADJUSTED DATA, 1870-1879 (3)--ORIGINAL DATA, 1879-1886 (4)--SEASONALLY ADJUSTED DATA, 1879-1886 (5)--ORIGINAL DATA, 1886-1890 (6)--SEASONALLY ADJUSTED DATA, 1886-1890 (7)--ORIGINAL DATA, 1890-1902 (8)--SEASONALLY ADJUSTED DATA, 1890-1902 (9)--ORIGINAL DATA, 1902-1909 (10)--SEASONALLY ADJUSTED DATA, 1902-1909. THE NUMBER OF COMPANIES COVERED CHANGES FOR EACH TIME SEGMENT. ............................................................... 0 VAR 0211 03015B RR EAR 3R 902-909 MD=-999999 REF 0211 LOC 1860 WIDTH 9 DK 30 COL 35-43 IMP DEC= 1 0 RAILROAD GROSS EARNINGS ----------------------- NBER SERIES: 03015B AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1902-1909 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1902-12/1909 SEASONAL ADJUSTMENT: NONE SOURCE: BABSON STATISTICAL ORGANIZATION, INC., DIRECT FROM FILES. NOTES: SERIES 03015B IS PRESENTED HERE AS TEN VARIABLES--(1)--ORIGINAL DATA, 1870-1879 (2)--SEASONALLY ADJUSTED DATA, 1870-1879 (3)--ORIGINAL DATA, 1879-1886 (4)--SEASONALLY ADJUSTED DATA, 1879-1886 (5)--ORIGINAL DATA, 1886-1890 (6)--SEASONALLY ADJUSTED DATA, 1886-1890 (7)--ORIGINAL DATA, 1890-1902 (8)--SEASONALLY ADJUSTED DATA, 1890-1902 (9)--ORIGINAL DATA, 1902-1909 (10)--SEASONALLY ADJUSTED DATA, 1902-1909. THE NUMBER OF COMPANIES COVERED CHANGES FOR EACH TIME SEGMENT. ............................................................... 0 VAR 0212 03015B RR EAR 3S 902-909 MD=-999999 REF 0212 LOC 1869 WIDTH 9 DK 30 COL 44-52 IMP DEC= 1 0 RAILROAD GROSS EARNINGS, SEASONALLY ADJUSTED -------------------------------------------- 1 (ICPSR 7644) 173 - (CONTINUED) - NBER SERIES: 03015B AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1902-12/1909 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: BABSON STATISTICAL ORGANIZATION, INC., DIRECT FROM FILES. NOTES: SERIES 03015B IS PRESENTED HERE AS TEN VARIABLES--(1)--ORIGINAL DATA, 1870-1879 (2)--SEASONALLY ADJUSTED DATA, 1870-1879 (3)--ORIGINAL DATA, 1879-1886 (4)--SEASONALLY ADJUSTED DATA, 1879-1886 (5)--ORIGINAL DATA, 1886-1890 (6)--SEASONALLY ADJUSTED DATA, 1886-1890 (7)--ORIGINAL DATA, 1890-1902 (8)--SEASONALLY ADJUSTED DATA, 1890-1902 (9)--ORIGINAL DATA, 1902-1909 (10)--SEASONALLY ADJUSTED DATA, 1902-1909. THE NUMBER OF COMPANIES COVERED CHANGES FOR EACH TIME SEGMENT. ............................................................... 0 VAR 0213 03015 GRO EAR 2R 869-883 MD=-999999 REF 0213 LOC 1878 WIDTH 9 DK 30 COL 53-61 IMP DEC= 2 0 GROSS EARNINGS OF RAILROADS --------------------------- NBER SERIES: 03015 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1869-1883 QUARTERLY COVERAGE: FIRST,1869 - FOURTH,1883 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: JOHN E. PARTINGTON, RAILROAD PURCHASING AND THE BUSINESS CYCLE, BROOKINGS INSTITUTION, 1929, PP. 302-305. DATA ORIGINALLY APPEARED IN THE COMMERCIAL AND FINANCIAL CHRONICLE. NOTES: SERIES 03015 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1869-1883 (2)--SEASONALLY ADJUSTED DATA, 1869-1883 (3)--ORIGINAL DATA, 1882-1909 (4)--SEASONALLY ADJUSTED DATA, 1882-1909. 1 174 (ICPSR 7644) - 0 VAR 0214 03015 GRO EAR 2S 869-883 MD=-999999 REF 0214 LOC 1887 WIDTH 9 DK 30 COL 62-70 IMP DEC= 2 0 GROSS EARNINGS OF RAILROADS, SEASONALLY ADJUSTED ------------------------------------------------ NBER SERIES: 03015 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1869 - FOURTH,1883 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: JOHN E. PARTINGTON, RAILROAD PURCHASING AND THE BUSINESS CYCLE, BROOKINGS INSTITUTION, 1929, PP. 302-305. DATA ORIGINALLY APPEARED IN THE COMMERCIAL AND FINANCIAL CHRONICLE. NOTES: SERIES 03015 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1869-1883 (2)--SEASONALLY ADJUSTED DATA, 1869-1883 (3)--ORIGINAL DATA, 1882-1909 (4)--SEASONALLY ADJUSTED DATA, 1882-1909. ............................................................... 0 VAR 0215 03015 GRO EAR 2R 882-909 MD=-999999 REF 0215 LOC 1896 WIDTH 9 DK 30 COL 71-79 IMP DEC= 1 0 GROSS EARNINGS OF RAILROADS --------------------------- NBER SERIES: 03015 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1882-1909 QUARTERLY COVERAGE: FIRST,1882 - FOURTH,1909 MONTHLY COVERAGE: NONE SEASONAL ADJUSTEMENT: NONE SOURCE: JOHN E. PARTINGTON, RAILROAD PURCHASING AND THE BUSINESS CYCLE, BROOKINGS INSTITUTION, 1929, PP. 302-305. DATA ORIGINALLY APPEARED IN THE COMMERCIAL AND FINANCIAL CHRONICLE. NOTES: SERIES 03015 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1869-1883 (2)--SEASONALLY ADJUSTED DATA, 1869-1883 (3)--ORIGINAL DATA, 1882-1909 (4)--SEASONALLY ADJUSTED DATA, 1882-1909. 1 (ICPSR 7644) 175 - DECK IDENTIFICATION NUMBER IS '31' DK 31 COL 1- 2 ---------------------------------- 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 31 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 31 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 31 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. 1 176 (ICPSR 7644) - 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 31 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 31 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0216 03015 GRO EAR 2S 882-909 MD=-999999 REF 0216 LOC 1905 WIDTH 9 DK 31 COL 17-25 IMP DEC= 1 0 GROSS EARNINGS OF RAILROADS, SEASONALLY ADJUSTED ------------------------------------------------ NBER SERIES: 03015 1 (ICPSR 7644) 177 - (CONTINUED) - AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1882 - FOURTH,1909 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: JOHN E. PARTINGTON, RAILROAD PURCHASING AND THE BUSINESS CYCLE, BROOKINGS INSTITUTION, 1929, PP. 302-305. DATA ORIGINALLY APPEARED IN THE COMMERCIAL AND FINANCIAL CHRONICLE. NOTES: SERIES 03015 IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1869-1883 (2)--SEASONALLY ADJUSTED DATA, 1869-1883 (3)--ORIGINAL DATA, 1882-1909 (4)--SEASONALLY ADJUSTED DATA, 1882-1909. ............................................................... 0 VAR 0217 03016 PER TIN 3R 907-963 MD=-999999 REF 0217 LOC 1914 WIDTH 9 DK 31 COL 26-34 IMP DEC= 1 0 TOTAL OPERATING REVENUE OF RAILROADS, CLASS I RALWAYS ----------------------------------------------------- NBER SERIES: 03016 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1908-1963 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1907-12/1961; 02,05,08,11/1962,1963 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1907-1909: "BULLETIN AND REVENUES AND EXPENSES OF STEAM RAILROADS IN THE UNITED STATES", NO. 5, P. 12; NO. 18, P. 12; NO. 31, P. 12. DATA FOR 1910-1921: "STATISTICS OF RAILWAYS", 1921, P. XCIX. DATA FOR 1922-1963: "OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA FOR 1907-OCTOBER 1910 AND 1932-1946 EXCLUDE SWITCHING AND TERMINAL COMPANIES. BEGINNING IN 1943, REVENUE IS SHOWN AFTER DEDUCTION OF CERTAIN AMOUNTS TO CREATE A RESERVE FOR LAND GRANT DEDUCTIONS IN DISPUTE. BEGINNING IN 1962, ONLY QUARTERLY DATA ARE PUBLISHED BY THE ICC; THE MONTHLY FIGURES PRESENTED WERE DERIVED BY NBER. 1 178 (ICPSR 7644) - 0 VAR 0218 03016 PER TIN 3S 907-963 MD=-999999 REF 0218 LOC 1923 WIDTH 9 DK 31 COL 35-43 IMP DEC= 1 0 TOTAL OPERATING REVENUE OF RAILROADS, CLASS I RAILWAYS, SEASONALLY ADJUSTED ------------------------------------------------------- NBER SERIES: 03016 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1962 - FOURTH,1963 MONTHLY COVERAGE: 07/1907-12/1961; 02,05,08,11/1962,1963 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1907-1909: "BULLETIN AND REVENUES AND EXPENSES OF STEAM RAILROADS IN THE UNITED STATES", NO. 5, P. 12; NO. 18, P. 12; NO. 31, P. 12. DATA FOR 1910-1921: "STATISTICS OF RAILWAYS", 1921, P. XCIX. DATA FOR 1922-1963: "OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA FOR 1907-OCTOBER 1910 AND 1932-1946 EXCLUDE SWITCHING AND TERMINAL COMPANIES. BEGINNING IN 1943, REVENUE IS SHOWN AFTER DEDUCTION OF CERTAIN AMOUNTS TO CREATE A RESERVE FOR LAND GRANT DEDUCTIONS IN DISPUTE. BEGINNING IN 1962, ONLY QUARTERLY DATA ARE PUBLISHED BY THE ICC; RAW MONTHLY FIGURES PRESENTED WERE DERIVED BY NBER, THE SEASONAL FACTORS WERE PROJECTED TO DERIVE SEASONAL MONTHLY DATA FOR 1962 AND 1963. ............................................................... 0 VAR 0219 03017 FRO WAY 3S 898-937 MD=-999999 REF 0219 LOC 1932 WIDTH 9 DK 31 COL 44-52 0 RECEIPTS FROM RAILWAYS, SEASONALLY ADJUSTED ------------------------------------------- NBER SERIES: 03017 AREA COVERED: FRANCE UNITS: 1913=100 ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1898 - SECOND,1914 MONTHLY COVERAGE: 01/1898-07/1914, 01/1921-06/1937 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY SOURCE SOURCE: DATA FOR 1898-1914: JEAN DESSICIER, "JOURNAL DE LA SOCIETE DE STATISTIQUE DE PARIS", 1929, P. 80-83. DATA FOR 1 (ICPSR 7644) 179 - (CONTINUED) - 1921-1931: "INDICES GENERAUX DU MOVEMENT ECONOMIQUE EN FRANCE, 1901-1931", PP. 105, 156. DATA FOR 1931-35: FURNISHED DIRECTLY BY STATISTIQUE GENERALE. NOTES: DATA FOR 1898-1914 ARE BASED ON WEEKLY RECEIPTS PUBLISHED IN "L'OFFICIAL" AND THE MEAN OF WEEKLY RECEIPTS OF SIX LARGE SYSTEMS COMPUTED BY JEAN DESSICIER. DATA FOR THIS PERIOD ARE NOT SMOOTHED BY A THREE MONTH MOVING AVERAGE, ALTHOUGH THE AUTHOR DOES PRESENT SUCH A SET OF FIGURES IN HIS ARTICLE. DATA FOR 1921-1937 ARE BASED ON THE AVERAGE WEEKLY FIGURES OF GROSS RECEIPTS AND ARE ADJUSTED FOR VARYING TRAFFIC RATES. DATA COVER SEVEN RAILROADS: ETAT, ALSACE-LORRAINE, NORD, EST, MIDI, ORLEANS, AND P-L-M. ............................................................... 0 VAR 0220 03040 RAT PEN 3R 907-963 MD=-999999 REF 0220 LOC 1941 WIDTH 9 DK 31 COL 53-61 IMP DEC= 1 0 RAILWAY OPERATING EXPENSES, TOTAL, CLASS I RAILROADS ---------------------------------------------------- NBER SERIES: 03040 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1908-1961 QUARTERLY COVERAGE: FIRST,1962 - FOURTH,1963 MONTHLY COVERAGE: 07/1907-12/1961; 02,05,08,11/1962,1963 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISION, "OPERATING REVENUES AND OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES", MONTHLY (CALLED "CLASS I RAILROADS" IN THE TITLE AFTER NOVEMBER 1956.) NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES FROM 1907-1909 AND 1932-1943. REVISED DATA ARE USED FOR MONTHLY FIGURES, 1907-1960. THEREAFTER NO REVISED MONTHLY FIGURES ARE SHOWN BECAUSE DATA ONLY PUBLISHED QUARTERLY FROM 1962 ON. BEGINNING IN 1962, ONLY QUARTERLY DATA ARE PUBLISHED BY THE ICC; THE MONTHLY FIGURES PRESENTED WERE DERIVED BY NBER. 1 180 (ICPSR 7644) - 0 VAR 0221 03040 RAT PEN 3S 907-963 MD=-999999 REF 0221 LOC 1950 WIDTH 9 DK 31 COL 62-70 IMP DEC= 1 0 RAILWAY OPERATING EXPENSES, TOTAL, CLASS I RAILROADS, SEASONALLY ADJUSTED ----------------------------------------------------- NBER SERIES: 03040 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1907-12/1961 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISION, "OPERATING REVENUES AND OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES", MONTHLY (CALLED "CLASS I RAILROADS" IN THE TITLE AFTER NOVEMBER 1956.) NOTES: DATA EXCLUDE SWITCHING AND TERMINAL COMPANIES FROM 1907-1909 AND 1932-1943. REVISED DATA ARE USED FOR MONTHLY FIGURES, 1907-1960. THEREAFTER NO REVISED MONTHLY FIGURES ARE SHOWN BECAUSE DATA ONLY PUBLISHED QUARTERLY FROM 1962 ON. BEGINNING IN 1962, ONLY QUARTERLY DATA ARE PUBLISHED BY THE ICC; RAW MONTHLY FIGURES PRESENTED WERE DERIVED BY NBER, THE SEASONAL FACTORS WERE PROJECTED TO DERIVE SEASONAL MONTHLY DATA FOR 1962 AND 1963. ............................................................... 0 VAR 0222 03039 EX MAIN 3R 907-942 MD=-999999 REF 0222 LOC 1959 WIDTH 9 DK 31 COL 71-79 IMP DEC= 1 0 OPERATING EXPENSES, MAINTENANCE AND EQUIPMENT, CLASS I RAILROADS ------------------------------------------------------ NBER SERIES: 03039 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1908-1941 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1907-04/1942 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1907-1909: "BULLETIN OF REVENUES AND EXPENSES OF STEAM ROADS IN THE UNITED STATES", NO. 5, P. 13; NO. 18, P. 13; NO. 31, P. 13. 1 (ICPSR 7644) 181 - (CONTINUED) - DATA FOR 1910-1921: "STATISTICS OF RAILWAYS", 1921, P. C. DATA FOR 1922-1942: OPERATING REVENUES AND OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA FOR 1907-OCTOBER 1910 AND 1931-1942 EXCLUDE SWITCHING AND TERMINAL COMPANIES. THE FIGURE FOR JUNE 1918 WAS AFFECTED BY AN INCREASE IN WAGES; THE FIGURE FOR AUGUST 1920 WAS ALSO AFFECTED BY A WAGE INCREASE, EFFECTIVE JULY 20 AND RETROACTIVE TO MAY 1, 1920. DECK IDENTIFICATION NUMBER IS '32' DK 32 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 32 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 32 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 32 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS 1 182 (ICPSR 7644) - (CONTINUED) - VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 32 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 32 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. 1 (ICPSR 7644) 183 - 0 VAR 0223 03039 EX MAIN 3S 907-942 MD=-999999 REF 0223 LOC 1968 WIDTH 9 DK 32 COL 17-25 IMP DEC= 1 0 OPERATING EXPENSES, MAINTENANCE AND EQUIPMENT, CLASS I RAILROADS, SEASONALLY ADJUSTED ------------------------------------------------------ NBER SERIES: 03039 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1907-04/1942 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1907-1909: "BULLETIN OF REVENUES AND EXPENSES OF STEAM ROADS IN THE UNITED STATES", NO. 5, P. 13; NO. 18, P. 13; NO. 31, P. 13. DATA FOR 1910-1921: "STATISTICS OF RAILWAYS", 1921, P. C. DATA FOR 1922-1942: OPERATING REVENUES AND OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA FOR 1907-OCTOBER 1910 AND 1931-1942 EXCLUDE SWITCHING AND TERMINAL COMPANIES. THE FIGURE FOR JUNE 1918 WAS AFFECTED BY AN INCREASE IN WAGES; THE FIGURE FOR AUGUST 1920 WAS ALSO AFFECTED BY A WAGE INCREASE, EFFECTIVE JULY 20 AND RETROACTIVE TO MAY 1, 1920. ............................................................... 0 VAR 0224 03060 RAI WAY 3R 917-943 MD=-999999 REF 0224 LOC 1977 WIDTH 9 DK 32 COL 26-34 IMP DEC= 2 0 RAILWAY EQUIPMENT AND JOINT FACILITY RENTS, NET, CLASS I RAILROADS -------------------------------------------------------- NBER SERIES: 03060 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1917-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1917-03/1943; 06-08/1943 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1917-19: "OPERATING REVENUE AND EXPENSES OF LARGE STEAM ROADS BY MONTHS", JULY 1914-DECEMBER 1919", PP. 10-15. DATA FOR 1920-1942: "OPERATING REVENUES AND OPERATING EXPENSES OF 1 184 (ICPSR 7644) - (CONTINUED) - CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA COVER "LARGE STEAM ROADS" FOR 1917-1919 AND "CLASS I STEAM RAILWAYS" FOR 1920-1942. DATA COVER SWITCHING AND TERMINAL COMPANIES FROM 1917-1931 AND EXCLUDE THEM THEREAFTER. DATA FOR 1917-1934 WERE COMPUTED BY SUMMING THREE ITEMS -- UNCOLLECTABLE RAILWAY REVENUES, EQUIPMENT RENT, AND JOINT FACLITY RENTS. DATA FOR 1935-1942 WERE COMPUTED BY SUMMING ONLY ITEMS TWO AND THREE. ............................................................... 0 VAR 0225 03060 RAI WAY 3S 921-943 MD=-999999 REF 0225 LOC 1986 WIDTH 9 DK 32 COL 35-43 IMP DEC= 2 0 RAILWAY EQUIPMENT AND JOINT FACILITY RENTS, NET, CLASS I RAILROADS, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03060 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1921-03/1943; 06-08/1943 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1917-19: "OPERATING REVENUE AND EXPENSES OF LARGE STEAM ROADS BY MONTHS", JULY 1914-DECEMBER 1919", PP. 10-15. DATA FOR 1920-1942: "OPERATING REVENUES AND OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA COVER "LARGE STEAM ROADS" FOR 1917-1919 AND "CLASS I STEAM RAILWAYS" FOR 1920-1942. DATA COVER SWITCHING AND TERMINAL COMPANIES FROM 1917-1931 AND EXCLUDE THEM THEREAFTER. DATA FOR 1917-1934 WERE COMPUTED BY SUMMING THREE ITEMS -- UNCOLLECTABLE RAILWAY REVENUES, EQUIPMENT RENT, AND JOINT FACLITY RENTS. DATA FOR 1935-1942 ............................................................... 0 VAR 0226 03038 TAX AIL 3R 907-963 MD=-999999 REF 0226 LOC 1995 WIDTH 9 DK 32 COL 44-52 IMP DEC= 2 0 RAILWAY TAX ACCRUALS, CLASS I RAILROADS --------------------------------------- 1 (ICPSR 7644) 185 - (CONTINUED) - NBER SERIES: 03038 AREA COVERED: U.S. UNITS: MILLION OF DOLLARS ANNUAL COVERAGE: 1908-1963 QUARTERLY COVERAGE: FIRST,1962 - FOURTH,1963 MONTHLY COVERAGE: 07/1907-12/1961; 02,05,08,11/1962,1963 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1907-1909: "BULLETIN OF REVENUES AND EXPENSES OF STEAM ROADS IN THE UNITED STATES", NO. 5, P. 13; NO. 18, P. 13; NO. 31, P. 13. DATA FOR 1910-1921: "STATISTICS OF RAILWAYS", 1921, P. C. DATA FOR 1922-1963: "OPERATING REVENUES AND OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". NOTES: DATA FOR 1907-OCTOBER 1910 AND 1932-1963 EXCLUDE SWITCHING AND TERMINAL COMPANIES. DURING PROCESSING AN EXTRA DECIMAL WAS ADDED TO ORIGINAL DATA, BEGINNING IN JANUARY 1913 TO MAINTAIN CONSISTENCY WITH EARLIER DATA. BEGINNING IN 1936 AND 1937 DATA INCLUDE ACCRUALS RESULTING FROM EXCISE TAXES LEVIED UNDER THE SOCIAL SECURITY ACT OF 1935 AND THE TAXING ACT OF 1937; ALSO CREDITS RESULTING FROM REFUSAL OF CHANGES PREVIOUSLY MADE. BEGINNING IN 1962, ONLY QUARTERLY DATA ARE PUBLISHED BY THE ICC; THE MONTHLY FIGURES PRESENTED WERE DERIVED BY NBER. ............................................................... 0 VAR 0227 03038 TAX AIL 3S 907-963 MD=-999999 REF 0227 LOC 2004 WIDTH 9 DK 32 COL 53-61 IMP DEC= 2 0 RAILWAY TAX ACCRUALS, CLASS I RAILROADS, SEASONALLY ADJUSTED ------------------------------------------------------------ NBER SERIES: 03038 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 08/1907-12/1961; 02,05,08,11/1962,1963 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION, DATA FOR 1907-1909: "BULLETIN OF REVENUES AND EXPENSES OF STEAM ROADS IN THE UNITED STATES", NO. 5, P. 13; NO. 18, P. 13; NO. 31, P. 13. DATA FOR 1910-1921: "STATISTICS OF RAILWAYS", 1921, P. C. DATA FOR 1922-1963: "OPERATING REVENUES AND OPERATING EXPENSES OF CLASS I STEAM RAILWAYS IN THE UNITED STATES". 1 186 (ICPSR 7644) - (CONTINUED) - NOTES: DATA FOR 1907-OCTOBER 1910 AND 1932-1963 EXCLUDE SWITCHING AND TERMINAL COMPANIES. DURING PROCESSING AN EXTRA DECIMAL WAS ADDED TO ORIGINAL DATA, BEGINNING IN JANUARY 1913 TO MAINTAIN CONSISTENCY WITH EARLIER DATA. BEGINNING IN 1936 AND 1937 DATA INCLUDE ACCRUALS RESULTING FROM EXCISE TAXES LEVIED UNDER THE SOCIAL SECURITY ACT OF 1935 AND THE TAXING ACT OF 1937; ALSO CREDITS RESULTING FROM REFUSAL OF CHANGES PREVIOUSLY MADE. BEGINNING IN 1962, ONLY QUARTERLY DATA ARE PUBLISHED BY THE ICC; RAW MONTHLY FIGURES PRESENTED WERE DERIVED BY NBER, THE SEASONAL FACTORS WERE PROJECTED TO DERIVE SEASONAL MONTHLY DATA FOR 1962 AND 1963. ............................................................... 0 VAR 0228 03065 PER NIT 3S 907-961 MD=-999999 REF 0228 LOC 2013 WIDTH 9 DK 32 COL 62-70 IMP DEC= 4 0 RAILWAY OPERATING EXPENSES PER TRAFFIC UNIT, SEASONALLY ADJUSTED ------------------------------------------------------- NBER SERIES: 03065 AREA COVERED: U.S. UNITS: CENTS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: THIRD,1957 - FOURTH,1961 MONTHLY COVERAGE: 07/1907-12/1960 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: COMPUTED BY NBER BY DIVIDING SERIES 03040 (RAILWAY OPERATING EXPENSES, TOTAL) BY "TRAFFIC UNITS" (FROM NBER FILES) NOTES: DATA INCLUDE DEPRECIATION ............................................................... 0 VAR 0229 03013 FRE ATE 3R 900-925 MD=-999999 REF 0229 LOC 2022 WIDTH 9 DK 32 COL 71-79 IMP DEC= 1 0 FREIGHT RATE INDEX ------------------ NBER SERIES: 03013 AREA COVERED: U.S. UNITS: 1913=100 ANNUAL COVERAGE: 1900-1925 1 (ICPSR 7644) 187 - (CONTINUED) - QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1900-12/1925 SEASONAL ADJUSTMENT: NONE SOURCE: U.S. DEPARTMENT OF AGRICULTURE, DIVISION OF STATISTICAL AND HISTORICAL RESEARCH, YEARBOOK, 1923, P. 1177; 1926, P. 1248. NOTES: DATA SHOW CHANGES IN FREIGHT CAR RATES OF FIFTY REPRESENTATIVE AGRICULTURAL PRODUCTS. DECK IDENTIFICATION NUMBER IS '33' DK 33 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 33 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 33 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 33 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE 1 188 (ICPSR 7644) - (CONTINUED) - NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 33 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 33 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. 1 (ICPSR 7644) 189 - 0 VAR 0230 03013A EAT AT 3R 890-933 MD=-999999 REF 0230 LOC 2031 WIDTH 9 DK 33 COL 17-25 IMP DEC= 2 0 WHEAT FREIGHT RATES, LAKE AND RAIL, CHICAGO TO NEW YORK, EXPORT -------------------------------------------------------- NBER SERIES: 03013A AREA COVERED: U.S. UNITS: CENTS PER BUSHEL ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: SEE NOTES SEASONAL ADJUSTMENT: NONE SOURCE: CHICAGO BOARD OF TRADE, DEPARTMENT OF TRANSPORTATION, DATA FOR 1890-1899 AND 1901-1933: ANNUAL REPORTS. DATA FOR 1900: ANNUAL REPORT OF THE NEW YORK PRODUCE EXCHANGE. NOTES: DATA ARE NOT AVAILABLE FOR JANUARY TO MARCH OF EACH YEAR; IN APRIL OF 1900, 1904, 1916, 1918, 1920, 1925-1926, 1928, AND 1930; IN DECEMBER OF 1890, 1900, 1912, 1914-1915; MAY-JUNE OF 1918; AND JUNE OF 1928. DATA ARE AVERAGE WEEKLY PRICES COMPUTED BY NBER FROM FIGURES FOR WEEKS ENDING IN SATURDAYS, AVERAGING FIGURES FOR THOSE SATURDAYS FALLING WITHIN THE THE MONTH. DATA ARE FOR GRAIN SHIPPED BY LAKE FROM CHICAGO TO BUFFALO AND THENCE BY RAIL TO NEW YORK. THE SOURCE PUBLISHED INCORRECT FIGURES FOR 1923, THUS DATA FOR 1923 ARE COMPUTED BY NBER. FIGURES ON THE CHICAGO TO BUFFALO LAKE RATES, GIVEN IN A TABLE IN THE SOURCE, WERE ADDED TO A CONSTANT RAIL RATE OF 9.1 CENTS PER BUSHEL TO GENERATE THE DATA. THE AVERAGE OF THE WEEKLY FIGURE OBTAINED IN THIS MANNER CHECKS WITH THE PUBLISHED ANNUAL AVERAGE FOR LAKE AND RAIL FROM CHICAGO TO NEW YORK. ............................................................... 0 VAR 0231 03013A EAT AT 3S 890-933 MD=-999999 REF 0231 LOC 2040 WIDTH 9 DK 33 COL 26-34 IMP DEC= 2 0 WHEAT FREIGHT RATES, LAKE AND RAIL, CHICAGO TO NEW YORK, EXPORT, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03013A AREA COVERED: U.S. UNITS: CENTS PER BUSHEL 1 190 (ICPSR 7644) - (CONTINUED) - ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: SEE NOTES SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: CHICAGO BOARD OF TRADE, DEPARTMENT OF TRANSPORTATION, DATA FOR 1890-1899 AND 1901-1933: ANNUAL REPORTS. DATA FOR 1900: ANNUAL REPORT OF THE NEW YORK PRODUCE EXCHANGE. NOTES: DATA ARE NOT AVAILABLE FOR JANUARY TO MARCH OF EACH YEAR; IN APRIL OF 1900, 1904, 1916, 1918, 1920, 1925-1926, 1928, AND 1930; IN DECEMBER OF 1890, 1900, 1912, 1914-1915; MAY-JUNE OF 1918; AND JUNE OF 1928. DATA ARE AVERAGE WEEKLY PRICES COMPUTED BY NBER FROM FIGURES FOR WEEKS ENDING IN SATURDAYS, AVERAGING FIGURES FOR THOSE SATURDAYS FALLING WITHIN THE THE MONTH. DATA ARE FOR GRAIN SHIPPED BY LAKE FROM CHICAGO TO BUFFALO AND THENCE BY RAIL TO NEW YORK. THE SOURCE PUBLISHED INCORRECT FIGURES FOR 1923, THUS DATA FOR 1923 ARE COMPUTED BY NBER. FIGURES ON THE CHICAGO TO BUFFALO LAKE RATES, GIVEN IN A TABLE IN THE SOURCE, WERE ADDED TO A CONSTANT RAIL RATE OF 9.1 CENTS PER BUSHEL TO GENERATE THE DATA. THE AVERAGE OF THE WEEKLY FIGURE OBTAINED IN THIS MANNER CHECKS WITH THE PUBLISHED ANNUAL AVERAGE FOR LAKE AND RAIL FROM CHICAGO TO NEW YORK. ............................................................... 0 VAR 0232 03013C RAT GO 3R 890-942 MD=-999999 REF 0232 LOC 2049 WIDTH 9 DK 33 COL 35-43 IMP DEC= 1 0 WHEAT FREIGHT RATES, RAIL, CHICAGO TO NEW YORK, DOMESTIC -------------------------------------------------------- NBER SERIES: 03013C AREA COVERED: U.S. UNITS: CENTS PER HUNDRED POUNDS ANNUAL COVERAGE: 1890-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1890-12/1942 SEASONAL ADJUSTMENT: NONE SOURCE: CHICAGO BOARD OF TRADE, DEPARTMENT OF TRANSPORTATION, DATA FOR 1890-1934: DIRECT FROM FILES, FEBRUARY 1, 1937. DATA FOR 1935-1941: ANNUAL REPORT OF THE CHICAGO BOARD OF TRADE, SUCCESSIVE ISSUES. DATA FOR 1942: DIRECT FROM BOARD OF TRADE FILES. NOTES: DATA ARE DAILY AVERAGES. NBER OBTAINED AVERAGES BY WEIGHTING EACH RATE BY THE NUMBER OF DAYS IN THE MONTH IN 1 (ICPSR 7644) 191 - (CONTINUED) - WHICH IT WAS IN EFFECT AND DIVIDING BY THE NUMBER OF DAYS IN THE MONTH. DATA FOR DOMESTIC AND EXPORT ARE THE SAME FOR 1890-1898. ............................................................... 0 VAR 0233 03013D RAT EX 3R 890-943 MD=-999999 REF 0233 LOC 2058 WIDTH 9 DK 33 COL 44-52 IMP DEC= 1 0 WHEAT FREIGHT RATES, RAIL, CHICAGO TO NEW YORK, EXPORT ------------------------------------------------------ NBER SERIES: 03013D AREA COVERED: U.S. UNITS: CENTS PER HUNDRED POUNDS ANNUAL COVERAGE: 1890-1943 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1890-12/1943 SEASONAL ADJUSTMENT: NONE SOURCE: CHICAGO BOARD OF TRADE, DEPARTMENT OF TRANSPORTATION, DATA FOR 1890-1934: DIRECT FROM FILES, FEBRUARY 1, 1937. DATA FOR 1935-1943: ANNUAL REPORT OF THE CHICAGO BOARD OF TRADE, SUCCESSIVE ISSUES. NOTES: DATA ARE DAILY AVERAGES COMPUTED BY NBER. FIGURES WERE OBTAINED BY WEIGHTING EACH RATE BY THE NUMBER OF DAYS IN THE MONTH IN WHICH IT WAS IN EFFECT AND DIVIDING THE RESULT BY ACTUAL NUMBER OF DAYS IN THE CALENDAR MONTH. DATA FOR DOMESTIC AND EXPORT ARE THE SAME FOR 1890-1898. ............................................................... 0 VAR 0234 03010B SUBWAY 3R 907-927 MD=-999999 REF 0234 LOC 2067 WIDTH 9 DK 33 COL 53-61 IMP DEC= 1 0 REVENUE TRANSIT RIDES, SUBWAY AND STREET RAILWAYS, NEW YORK CITY ----------------------------------------------------------- NBER SERIES: 03010B AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGERS ANNUAL COVERAGE: 1908-1927 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1907-12/1927 SEASONAL ADJUSTMENT: NONE 1 192 (ICPSR 7644) - (CONTINUED) - SOURCE: DATA FOR 1907-1919: "REPORT OF THE PUBLIC SERVICE COMMISION FOR THE FIRST DISTRICT OF THE STATE OF NEW YORK FOR THE YEAR ENDING DECEMBER 31, 1908", VOL. III, PP.350-353 AND YEARLY THEREAFTER. DATA FOR 1920: "REPORT OF THE STATE OF NEW YORK PUBLIC SERVICE COMMISSION FOR THE FIRST DISTRICT", FOURTEENTH ANNUAL REPORT. DATA FOR 1921-1926: STATE OF NEW YORK TRANSIT COMMISSION, FIRST ANNUAL REPORT. DATA FOR 1927: STATE OF NEW YORK, DEPARTMENT OF PUBLIC SERVICE, METROPOLITAN DIVISION, TRANSIT COMMISSION, SEVENTH ANNUAL REPORT. NOTES: SERIES 03010B IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1927 (2)--SEASONALLY ADJUSTED DATA, 1907-1927 (3)--ORIGINAL DATA, 1927-1942 (4)--SEASONALLY ADJUSTED DATA, 1927-1942. DATA FOR 1907-1909 WERE COMPUTED BY NBER BY SUMMING THE DATA FOR THE VARIOUS TRANSIT COMPANIES. DATA FOR 1907-JUNE 1922 EXCLUDE THE HUDSON AND MANHATTAN COMPANIES FROM TRAFFIC TOTALS. HUDSON AND MANHATTAN COMPANIES WERE DEDUCTED BY NBER WHEN GIVEN. SURFACE LINE DATA FOR FEBRUARY 1920 WERE AFFECTED BY UNUSUALLY HEAVY SNOWFALL. DATA FOR AUGUST AND SEPTEMBER 1920 WERE AFFECTED BY EMPLOYEE STRIKES, THE FIRST ON THE BROOKLYN TRANSIT LINES FROM AUGUST 29 TO MID-SEPTEMBER, THE SECOND ON MANHATTAN AND QUEENS LINES FROM AUGUST 15 TO SEPTEMBER 18. THE CITY OF NEW YORK DEPARTMENT OF PLANT AND STRUCTURE BEGAN OPERATIONS OF LOCAL TROLLEY CARS OVER WILLIAMSBURG BRIDGE DECEMBER 1, 1923. THE BMT COMPANIES DISCONTINUED THEIR SERVICE AT THE SAME TIME. FIGURES COVERING OPERATIONS BY THE CITY ARE NOT AVAILABLE THROUGH JUNE 1926. FIGURES COVERING OPERATIONS BY THE CITY FOR THE YEAR ENDING JUNE 1926 WERE SUBMITTED TOO LATE TO BE INCORPORATED INTO THE DATA. DATA FOR JULY 1926 WERE AFFECTED BY A STRIKE ON THE SUBWAY DIVISION OF THE IRT FROM JULY 6 TO JULY 29. DATA FOR 1927 INCLUDE BUS COMPANIES. ............................................................... 0 VAR 0235 03010B SUBWAY 3S 907-927 MD=-999999 REF 0235 LOC 2076 WIDTH 9 DK 33 COL 62-70 IMP DEC= 1 0 REVENUE TRANSIT RIDES, SUBWAY AND STREET, NEW YORK CITY, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03010B AREA COVERED: U.S. 1 (ICPSR 7644) 193 - (CONTINUED) - UNITS: MILLIONS OF PASSENGERS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1907-12/1927 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1907-1919: "REPORT OF THE PUBLIC SERVICE COMMISION FOR THE FIRST DISTRICT OF THE STATE OF NEW YORK FOR THE YEAR ENDING DECEMBER 31, 1908", VOL. III, PP.350-353 AND YEARLY THEREAFTER. DATA FOR 1920: "REPORT OF THE STATE OF NEW YORK PUBLIC SERVICE COMMISSION FOR THE FIRST DISTRICT", FOURTEENTH ANNUAL REPORT. DATA FOR 1921-1926: STATE OF NEW YORK TRANSIT COMMISSION, FIRST ANNUAL REPORT. DATA FOR 1927: STATE OF NEW YORK, DEPARTMENT OF PUBLIC SERVICE, METROPOLITAN DIVISION, TRANSIT COMMISSION, SEVENTH ANNUAL REPORT. NOTES: SERIES 03010B IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1927 (2)--SEASONALLY ADJUSTED DATA, 1907-1927 (3)--ORIGINAL DATA, 1927-1942 (4)--SEASONALLY ADJUSTED DATA, 1927-1942. DATA FOR 1907-1909 WERE COMPUTED BY NBER BY SUMMING THE DATA FOR THE VARIOUS TRANSIT COMPANIES. DATA FOR 1907-JUNE 1922 EXCLUDE THE HUDSON AND MANHATTAN COMPANIES FROM TRAFFIC TOTALS. HUDSON AND MANHATTAN COMPANIES DEDUCTED BY NBER WHEN GIVEN. SURFACE LINE DATA FOR FEBRUARY 1920 WERE AFFECTED BY UNUSUALLY HEAVY SNOWFALL. DATA FOR AUGUST AND SEPTEMBER 1920 WERE AFFECTED BY EMPLOYEE STRIKES, THE FIRST ON THE BROOKLYN TRANSIT LINES FROM AUGUST 29 TO MID-SEPTEMBER, THE SECOND ON MANHATTAN AND QUEENS LINES FROM AUGUST 15 TO SEPTEMBER 18. THE CITY OF NEW YORK DEPARTMENT OF PLANT AND STRUCTURE BEGAN OPERATIONS OF LOCAL TROLLEY CARS OVER WILLIAMSBURG BRIDGE DECEMBER 1, 1923. THE B.M.T. COMPANIES DISCONTINUED THEIR SERVICE AT THE SAME TIME. FIGURES COVERING OPERATIONS BY THE CITY ARE NOT AVAILABLE THROUGH JUNE 1926. FIGURES COVERING OPERATIONS BY THE CITY FOR THE YEAR ENDING JUNE 1926 WERE SUBMITTED TOO LATE TO BE INCORPORATED INTO THIS DATA. DATA FOR JULY 1926 WERE AFFECTED BY A STRIKE ON THE SUBWAY DIVISION OF THE IRT FROM JULY 6 TO JULY 29. DATA FOR 1927 INCLUDE BUS COMPANIES. ............................................................... 0 VAR 0236 03010B SUBWAY 3R 927-942 MD=-999999 REF 0236 LOC 2085 WIDTH 9 DK 33 COL 71-79 IMP DEC= 1 0 REVENUE TRANSIT RIDES, SUBWAY, STREET RAILWAYS, AND BUSES, 1 194 (ICPSR 7644) - (CONTINUED) - NEW YORK CITY ---------------------------------------------------------- NBER SERIES: 03010B AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGERS ANNUAL COVERAGE: 1927-1941 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1927-09/1942 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1927-1942: STATE OF NEW YORK, DEPARTMENT OF PUBLIC SERVICE, METROPOLITAN DIVISION, TRANSIT COMMISSION, SEVENTH ANNUAL REPORT AND SUCCESSIVE REPORTS. NOTES: SERIES 03010B IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1927 (2)--SEASONALLY ADJUSTED DATA, 1907-1927 (3)--ORIGINAL DATA, 1927-1942 (4)--SEASONALLY ADJUSTED DATA, 1927-1942. DECK IDENTIFICATION NUMBER IS '34' DK 34 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 34 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 34 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. 1 (ICPSR 7644) 195 - 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 34 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 34 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 34 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF 1 196 (ICPSR 7644) - (CONTINUED) - OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0237 03010B SUBWAY 3S 927-942 MD=-999999 REF 0237 LOC 2094 WIDTH 9 DK 34 COL 17-25 IMP DEC= 1 0 REVENUE TRANSIT RIDES, SUBWAY, STREET RAILWAYS, AND BUSES, NEW YORK CITY, SEASONALLY ADJUSTED ---------------------------------------------------------- NBER SERIES: 03010B AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGERS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 12/1927-09/1942 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1927-1942: STATE OF NEW YORK, DEPARTMENT OF PUBLIC SERVICE, METROPOLITAN DIVISION, TRANSIT COMMISSION, SEVENTH ANNUAL REPORT AND SUCCESSIVE REPORTS. NOTES: SERIES 03010B IS PRESENTED HERE AS FOUR VARIABLES--(1)--ORIGINAL DATA, 1907-1927 (2)--SEASONALLY ADJUSTED DATA, 1907-1927 (3)--ORIGINAL DATA, 1927-1942 (4)--SEASONALLY ADJUSTED DATA, 1927-1942. ............................................................... 0 VAR 0238 03012A TO SIT 1R 919-933 MD=-999999 REF 0238 LOC 2103 WIDTH 9 DK 34 COL 26-34 IMP DEC= 3 0 TOTAL TRANSIT PASSENGERS ------------------------ NBER SERIES: 03012A AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGERS ANNUAL COVERAGE: 1919-1933 QUARTERLY COVERAGE: NONE 1 (ICPSR 7644) 197 - (CONTINUED) - MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: TRANSIT JOURNAL, JANUARY 1936, P. 6 AND PREVIOUS ISSUES. ............................................................... 0 VAR 0239 03012B RAN IN 1R 917-927 MD=-999999 REF 0239 LOC 2112 WIDTH 9 DK 34 COL 35-43 IMP DEC= 3 0 TOTAL REVENUE PASSENGERS CARRIED BY THE TRANSIT INDUSTRY -------------------------------------------------------- NBER SERIES: 03012B AREA COVERED: U.S. UNITS: MILLIONS OF REVENUE PASSENGERS ANNUAL COVERAGE: 1917-1927 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: DIRECT FROM AMERICAN TRANSIT ASSOCIATION FILES; AND "BUS TRANSPORTATION". NOTES: SERIES 03012B IS PRESENTED HERE AS TWO VARIABLES--(1)--ORIGINAL DATA, 1917-1927 (2)-- ORIGINAL DATA 1926-1939. DATA INCLUDE PASSENGERS ON SUBWAYS, ELEVATED TRAINS, STREET CAR, AND BUSES OPERATED BY STREET CAR COMPANIES, THEIR AFFILIATES, AND COMPANIES FORMERLY IN THE STREET RAILWAY BUSINESS. ............................................................... 0 VAR 0240 03012B RAN IN 1R 926-939 MD=-999999 REF 0240 LOC 2121 WIDTH 9 DK 34 COL 44-52 IMP DEC= 3 0 TOTAL REVENUE PASSENGERS, STREET RAILWAYS AND BUSES --------------------------------------------------- NBER SERIES: 03012B AREA COVERED: U.S. UNITS: MILLIONS OF REVENUE PASSENGERS ANNUAL COVERAGE: 1926-1939 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: AMERICAN TRANSIT ASSOCIATION FILES; "BUS TRANSPORTATION", VARIOUS ISSUES. 1 198 (ICPSR 7644) - (CONTINUED) - NOTES: SERIES 03012B IS PRESENTED HERE AS TWO VARIABLES--(1)--ORIGINAL DATA, 1917-1927 (2)-- ORIGINAL DATA 1926-1939. DATA INCLUDE PASSENGERS ON SUBWAYS, ELEVATED TRAINS, STREET CAR, AND BUSES OPERATED BY STREET CAR COMPANIES, THEIR AFFILIATES, AND COMPANIES FORMERLY IN THE STREET RAILWAY BUSINESS ALONG WITH PASSENGERS ON INDEPENDENT BUSLINES. ............................................................... 0 VAR 0241 03011B LONDON 3R 920-939 MD=-999999 REF 0241 LOC 2130 WIDTH 9 DK 34 COL 53-61 IMP DEC= 1 0 RAILWAY PASSENGER TRAFFIC, LONDON UNDERGROUND RAILWAYS ------------------------------------------------------ NBER SERIES: 03011B AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF PASSENGER JOURNEYS ANNUAL COVERAGE: 1921-1938 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1920-04/1939 SEASONAL ADJUSTMENT: NONE SOURCE: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS", NO. 8, 1920 AND FOLLOWING ISSUES. NOTES: DATA ARE FOR STANDARD GAUGE RAILROADS. DATA FOR 1920-1925 ARE COMPUTED FROM "LONDON ELECTRIC" PLUS "METROPOLITAN" RAILROADS; DATA FOR 1926-JUNE 1933 FROM "LONDON ELECTRIC" PLUS "METROPOLITAN" PLUS "HAMMERSMITH AND CITY" RAILROADS; DATA FOR 1926-1933 FROM "LONDON PASSENGER TRANSPORT ROAD UNDERGROUND AND WHITECHAPEL AND BOW RAILROADS" PLUS "HAMMERSMITH AND CITY" RAILROADS. "LONDON ELECTRIC" INCLUDES METROPOLITAN DISTRICT LONDON ELECTRIC, CENTRAL LONDON, CITY AND SOUTH LONDON RAILWAYS. ALSO INCLUDED ARE PASSENGERS ORIGINATING ON THE WHITECHAPEL, BOW AND METROPOLITAN AND DISTRICT JOINT (CITY EXTENSIONS) RAILWAYS. RECEIPTS WHICH ARE DEALT WITH BY THE METROPOLITAN DISTRICT RAILWAY ARE ALSO INCLUDED (LONDON ELECTRIC AND LONDON TUBES AND METROPOLITAN.) "METROPOLITAN", 1920-1925 INCLUDES THE HAMMERSMITH AND CITY JOINT RAILWAY, WHICH BEGINING 1926 IS SHOWN SEPERATED IN THE SOURCE. LONDON PASSENGER TRANSPORT BOARD UNDERGROUND INCLUDES "LONDON ELECTRIC" AND "METROPOLITAN". THE SHARP DECREASE IN MAY 1926 WAS THE RESULT OF A TRANSIT STRIKE. 1 (ICPSR 7644) 199 - (CONTINUED) - DATA FOR MAY 1937 WERE AFFECTED BY THE CORONATION OF KING GEORGE VII ON MAY 12, 1937. ............................................................... 0 VAR 0242 03011B LONDON 3S 920-939 MD=-999999 REF 0242 LOC 2139 WIDTH 9 DK 34 COL 62-70 IMP DEC= 1 0 RAILWAY PASSENGER TRAFFIC, LONDON UNDERGROUND RAILWAYS, SEASONALLY ADJUSTED ------------------------------------------------------- NBER SERIES: 03011B AREA COVERED: GREAT BRITAIN UNITS: MILLIONS OF PASSENGER JOURNEYS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1920-04/1939 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: MINISTRY OF TRANSPORT, "RAILWAY STATISTICS", NO. 8, 1920 AND FOLLOWING ISSUES. NOTES: DATA ARE FOR STANDARD GAUGE RAILROADS. DATA FOR 1920-1925 ARE COMPUTED FROM "LONDON ELECTRIC" PLUS "METROPOLITAN" RAILROADS; DATA FOR 1926-JUNE 1933 FROM "LONDON ELECTRIC" PLUS "METROPOLITAN" PLUS "HAMMERSMITH AND CITY" RAILROADS; DATA FOR 1926-1933 FROM "LONDON PASSENGER TRANSPORT ROAD UNDERGROUND AND WHITECHAPEL AND BOW RAILROADS" PLUS "HAMMERSMITH AND CITY" RAILROADS. "LONDON ELECTRIC" INCLUDES METROPOLITAN DISTRICT LONDON ELECTRIC, CENTRAL LONDON, CITY AND SOUTH LONDON RAILWAYS. ALSO INCLUDED ARE PASSENGERS ORIGINATING ON THE WHITECHAPEL, BOW AND METROPOLITAN AND DISTRICT JOINT (CITY EXTENSIONS) RAILWAYS. RECEIPTS WHICH ARE DEALT WITH BY THE METROPOLITAN DISTRICT RAILWAY ARE ALSO INCLUDED (LONDON ELECTRIC AND LONDON TUBES AND METROPOLITAN.) "METROPOLITAN", 1920-1925 INCLUDES THE HAMMERSMITH AND CITY JOINT RAILWAY, WHICH BEGINING 1926 IS SHOWN SEPERATED IN THE SOURCE. LONDON PASSENGER TRANSPORT BOARD UNDERGROUND INCLUDES "LONDON ELECTRIC" AND "METROPOLITAN". THE SHARP DECREASE IN MAY 1926 WAS THE RESULT OF A TRANSIT STRIKE. DATA FOR MAY 1937 WERE AFFECTED BY THE CORONATION OF KING GEORGE VII ON MAY 12, 1937. 1 200 (ICPSR 7644) - 0 VAR 0243 03012E PARIS 3R 900-911 MD=-999999 REF 0243 LOC 2148 WIDTH 9 DK 34 COL 71-79 IMP DEC= 2 0 PARIS METRO TRAFFIC, TICKETS ISSUED ----------------------------------- NBER SERIES: 03012E AREA COVERED: FRANCE UNITS: MILLIONS OF TICKETS ANNUAL COVERAGE: 1901-1911 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1900-12/1911 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1904-1908: LETTER FROM COMPAGNIE DU CHEMIN DE FER METROPOLITAIN DE PARIS. DATA FOR PARIS METROPOLITAN, 1909-1911: RAPPORT DU CONSEIL D'ADMINISTRATION, COMPAGNIE DU CHEMIN DE FER METROPOLITAN DE PARIS, 1909 AND FOLLOWING YEARS. DATA FOR NORD-SUD, 1910-1911: ANNUAIRE STATISTIQUE DE PARIS, 1910, P. 394 AND FOLLOWING YEARS. NOTES: SERIES 03012E IS PRESENTED HERE AS SIX VARIABLES--(1)--ORIGINAL DATA, 1900-1911 (2)--SEASONALLY ADJUSTED DATA, 1900-1911 (3)--ORIGINAL DATA, 1910-1931 (4)--SEASONALLY ADJUSTED DATA, 1910-1929 (5)--ORIGINAL DATA, 1930-1938 (6)--SEASONALLY ADJUSTED DATA, 1930-1938. DATA WERE COMPUTED BY NBER USING USING FIGURES FOR THE PARIS METROPOLITAIN FOR 1900-1909; PARIS METROPOLITAIN PLUS LE CHEMIN DE FER ELECTRIQUE SAUTERRAIN NORD-SUD DE PARIS FOR 1910-1911. THE PARIS METROPOLITAIN OPENED JULY 19, 1900; THE NORD-SUD OPENED NOVEMBER 1910. DATA WERE CHECKED BY NBER WITH FIGURES PROVIDED DIRECTLY FROM THE PARIS METROPOLITAIN AND THE "ANNUAIRE STATISTIQUE DE LA VILLE DE PARIS", 1910 AND FOLLOWING VOLUMES. DATA FOR FEBRUARY-APRIL OF 1910 WERE SIGNIFICANTLY AFFECTED BY A FLOOD OF THE SEINE RIVER. DECK IDENTIFICATION NUMBER IS '35' DK 35 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 35 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ 1 (ICPSR 7644) 201 - (CONTINUED) - THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 35 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 35 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 35 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE 1 202 (ICPSR 7644) - (CONTINUED) - LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 35 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0244 03012E PARIS 3S 900-911 MD=-999999 REF 0244 LOC 2157 WIDTH 9 DK 35 COL 17-25 IMP DEC= 2 0 PARIS METRO TRAFFIC, TICKETS ISSUED, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03012E AREA COVERED: FRANCE UNITS: MILLIONS OF TICKETS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1900-12/1911 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1904-1908: LETTER FROM COMPAGNIE DU CHEMIN DE FER METROPOLITAIN DE PARIS. DATA FOR PARIS METROPOLITAN, 1909-1911: RAPPORT DU CONSEIL D'ADMINSTRATION, COMPAGNE DU CHEMIN DE FER METROPOLITAN DE PARIS, 1909 AND FOLLOWING YEARS. DATA FOR NORD-SUD, 1 (ICPSR 7644) 203 - (CONTINUED) - 1910-1911: ANNUAIRE STATISTIQUE DE PARIS, 1910, P. 394 AND FOLLOWING YEARS. NOTES: SERIES 03012E IS PRESENTED HERE AS SIX VARIABLES--(1)--ORIGINAL DATA, 1900-1911 (2)--SEASONALLY ADJUSTED DATA, 1900-1911 (3)--ORIGINAL DATA, 1910-1931 (4)--SEASONALLY ADJUSTED DATA, 1910-1929 (5)--ORIGINAL DATA, 1930-1938 (6)--SEASONALLY ADJUSTED DATA, 1930-1938. DATA WERE COMPUTED BY NBER USING USING FIGURES FOR THE PARIS METROPOLITAIN FOR 1900-1909; PARIS METROPOLITAIN PLUS LE CHEMIN DE FER ELECTRIQUE SAUTERRAIN NORD-SUD DE PARIS FOR 1910-1911. THE PARIS METROPOLITAIN OPENED JULY 19, 1900; THE NORD-SUD OPENED NOVEMBER 1910. DATA WERE CHECKED BY NBER WITH FIGURES PROVIDED DIRECTLY FROM THE PARIS METROPOLITAIN AND THE "ANNUAIRE STATISTIQUE DE LA VILLE DE PARIS", 1910 AND FOLLOWING VOLUMES. DATA FOR FEBRUARY-APRIL OF 1910 WERE SIGNIFICANTLY AFFECTED BY A FLOOD OF THE SEINE RIVER. ............................................................... 0 VAR 0245 03012E PARIS 3R 910-931 MD=-999999 REF 0245 LOC 2166 WIDTH 9 DK 35 COL 26-34 IMP DEC= 2 0 PARIS METRO TRAFFIC, TICKETS ISSUED ----------------------------------- NBER SERIES: 03012E AREA COVERED: FRANCE UNITS: MILLIONS OF TICKETS ANNUAL COVERAGE: 1911-1931 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 11/1910-12/1931 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR PARIS METROPOLITAN: COMPAGNE DU CHEMIN DE FER METROPOLITAN DE PARIS, RAPPORT DU CONSEIL D'ADMINISTRATION, 1909 AND FOLLOWING YEARS. DATA FOR NORD-SUD: ANNUAIRE STATISTIQUE DE PARIS, 1910, P. 394 AND FOLLOWING YEARS. NOTES: SERIES 03012E IS PRESENTED HERE AS SIX VARIABLES--(1)--ORIGINAL DATA, 1900-1911 (2)--SEASONALLY ADJUSTED DATA, 1900-1911 (3)--ORIGINAL DATA, 1910-1931 (4)--SEASONALLY ADJUSTED DATA, 1910-1931 (5)--ORIGINAL DATA, 1930-1938 (6)--SEASONALLY ADJUSTED DATA, 1930-1938. DATA WERE COMPUTED BY NBER USING FIGURES FOR THE PARIS METROPOLITAIN ADDED TO FIGURES FOR LE CHEMIN DE FER ELECTRIQUE SAUTERRAIN NORD-SUD DE PARIS, THE LATTER BEING 1 204 (ICPSR 7644) - (CONTINUED) - OPENED IN NOVEMBER 1910. DATA WERE CHECKED BY NBER WITH FIGURES PROVIDED DIRECTLY FROM THE PARIS METROPOLITAIN AND THE "ANNUAIRE STATISTIQUE DE LA VILLE DE PARIS", 1910 AND FOLLOWING VOLUMES. ............................................................... 0 VAR 0246 03012E PARIS 3S 910-929 MD=-999999 REF 0246 LOC 2175 WIDTH 9 DK 35 COL 35-43 IMP DEC= 2 0 PARIS METRO TRAFFIC, TICKETS ISSUED, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03012E AREA COVERED: FRANCE UNITS: MILLIONS OF TICKETS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 11/1910-12/1931 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR PARIS METROPOLITAN: COMPAGNIE DU CHEMIN DE FER METROPOLITAN DE PARIS, RAPPORT DU CONSEIL D'ADMINISTRATION, 1909 AND FOLLOWING YEARS. DATA FOR NORD-SUD: ANNUAIRE STATISTIQUE DE PARIS, 1910, P. 394, AND FOLLOWING YEARS. NOTES: SERIES 03012E IS PRESENTED HERE AS SIX VARIABLES--(1)--ORIGINAL DATA, 1900-1911 (2)--SEASONALLY ADJUSTED DATA, 1900-1911 (3)--ORIGINAL DATA, 1910-1931 (4)--SEASONALLY ADJUSTED DATA, 1910-1931 (5)--ORIGINAL DATA, 1930-1938 (6)--SEASONALLY ADJUSTED DATA, 1930-1938. DATA WERE COMPUTED BY NBER USING FIGURES FOR THE PARIS METROPOLITAIN ADDED TO FIGURES FOR LE CHEMIN DE FER ELECTRIQUE SAUTERRAIN NORD-SUD DE PARIS, THE LATTER BEING OPENED IN NOVEMBER 1910. DATA WERE CHECKED BY NBER WITH FIGURES PROVIDED DIRECTLY FROM THE PARIS METROPOLITAIN AND THE "ANNUAIRE STATISTIQUE DE LA VILLE DE PARIS", 1910 AND FOLLOWING VOLUMES. ............................................................... 0 VAR 0247 03012E PAIRS 3R 930-938 MD=-999999 REF 0247 LOC 2184 WIDTH 9 DK 35 COL 44-52 IMP DEC= 2 0 PARIS METRO TRAFFIC, TICKETS ISSUED ----------------------------------- 1 (ICPSR 7644) 205 - (CONTINUED) - NBER SERIES: 03012E AREA COVERED: FRANCE UNITS: MILLIONS OF TICKETS ANNUAL COVERAGE: 1931-1938 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 03/1930-12/1938 SEASONAL ADJUSTMENT: NONE SOURCE: RAPPORT DU CONSEIL D'ADMINISTRATION, COMPAGNIE DU CHEMIN DE FER METROPOLITAIN DE PARIS, 1931 AND FOLLOWING YEARS. NOTES: SERIES 03012E IS PRESENTED HERE AS SIX VARIABLES--(1)--ORIGINAL DATA, 1900-1911 (2)--SEASONALLY ADJUSTED DATA, 1900-1911 (3)--ORIGINAL DATA, 1910-1931 (4)--SEASONALLY ADJUSTED DATA, 1910-1931 (5)--ORIGINAL DATA, 1930-1938 (6)--SEASONALLY ADJUSTED DATA, 1930-1938. DATA WERE COMPUTED BY NBER BY SUMMING FIGURES FOR THE PARIS METROPOLITAN, LE CHEMIN DE FER ELECTRIQUE SAUTERRAIN NORD-SUD DE PARIS, AND THE SERVICE CENTRAL. THE SERVICE CENTRAL BEGAN OPERATION IN MARCH OF 1930. THE IMPACT OF THIS ADDITION IS SO SMALL, HOWEVER, THAT THE VARIABLES FOR 1910-1931 AND 1930-1938 MAY BE TREATED AS ONE CONTINUOUS VARIABLE. DATA WERE CHECKED BY NBER WITH FIGURES PROVIDED DIRECTLY FROM THE PARIS METROPOLITAIN AND THE "ANNUAIRE STATISTIQUE DE LA VILLE DE PARIS", 1910 AND FOLLOWING VOLUMES. ............................................................... 0 VAR 0248 03012E PARIS 3S 930-938 MD=-999999 REF 0248 LOC 2193 WIDTH 9 DK 35 COL 53-61 IMP DEC= 2 0 PARIS METRO TRAFFIC, TICKETS ISSUED, SEASONALLY ADJUSTED -------------------------------------------------------- NBER SERIES: 03012E AREA COVERED: FRANCE UNITS: MILLIONS OF TICKETS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 03/1930-12/1938 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: RAPPORT DU CONSEIL D'ADMINISTRATION, COMPAGNIE DU CHEMIN DE FER METROPOLITAIN DE PARIS, 1931 AND FOLLOWING YEARS. NOTES: SERIES 03012E IS PRESENTED HERE AS SIX 1 206 (ICPSR 7644) - (CONTINUED) - VARIABLES--(1)--ORIGINAL DATA, 1900-1911 (2)--SEASONALLY ADJUSTED DATA, 1900-1911 (3)--ORIGINAL DATA, 1910-1931 (4)--SEASONALLY ADJUSTED DATA, 1910-1931 (5)--ORIGINAL DATA, 1930-1938 (6)--SEASONALLY ADJUSTED DATA, 1930-1938. DATA WERE COMPUTED BY NBER BY SUMMING FIGURES FOR THE PARIS METROPOLITAN, LE CHEMIN DE FER ELECTRIQUE SAUTERRAIN NORD-SUD DE PARIS, AND THE SERVICE CENTRAL. THE SERVICE CENTRAL BEGAN OPERATION IN MARCH OF 1930. THE IMPACT OF THIS ADDITION IS SO SMALL, HOWEVER, THAT THE VARIABLES FOR 1910-1931 AND 1930-1938 MAY BE TREATED AS ONE CONTINUOUS VARIABLE. DATA WERE CHECKED BY NBER WITH FIGURES PROVIDED DIRECTLY FROM THE PARIS METROPOLITAIN AND THE "ANNUAIRE STATISTIQUE DE LA VILLE DE PARIS", 1910 AND FOLLOWING VOLUMES. ............................................................... 0 VAR 0249 03014 WAY FAR 3R 914-936 MD=-999999 REF 0249 LOC 2202 WIDTH 9 DK 35 COL 62-70 IMP DEC= 1 0 INDEX OF STREET RAILWAY FARES ----------------------------- NBER SERIES: 03014 AREA COVERED: U.S. UNITS: 1913=100 ANNUAL COVERAGE: 1914-1935 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1914-04/1936 SEASONAL ADJUSTMENT: NONE SOURCE: ALBERT S. RICHERY, MOODY'S MANUAL OF PUBLIC UTILITIES, 1923, P. X/IV; "PUBLIC UTILITIES", MOODY'S MANUAL OF INVESTMENTS, 1934, P. A38, AND FOLLOWING ANNUAL ISSUES. NOTES: SERIES 03014 IS PRESENTED HERE AS TWO VARIABLES--(1)--ORIGINAL DATA, 1914-1936 (2)--ORIGINAL DATA, 1933-1943. THE FARE INDEX IS FOR THE AVERAGE STREET RAILWAY FARE IN ALL U.S. CITIES WITH A POPULATION OF 50,000 OR MORE, EXCEPT NEW YORK CITY, AND WEIGHTED ACCORDING TO POPULATION. BEGINNING IN 1933 BUS FARES WERE INCLUDED. DATA FOR 1926-1936 ARE REVISED IN ACCORDANCE WITH THE 1930 POPULATION CENSUS. 1 (ICPSR 7644) 207 - 0 VAR 0250 03014 WAY FAR 3R 933-943 MD=-999999 REF 0250 LOC 2211 WIDTH 9 DK 35 COL 71-79 IMP DEC= 1 0 INDEX OF STREET RAILWAY AND BUS FARES ------------------------------------- NBER SERIES: 03014 AREA COVERED: U.S. UNITS: 1913=100 ANNUAL COVERAGE: 1933-1943 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1933-12/1943 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1933-1935 AND JUNE 1940-DECEMBER 1943: DIRECT FROM F.S. KALBERLY. DATA FOR 1936-1939: "PUBLIC UTILITIES", MOODY'S MANUAL OF INVESTMENTS. NOTES: SERIES 03014 IS PRESENTED HERE AS TWO VARIABLES--(1)--ORIGINAL DATA, 1914-1936 (2)--ORIGINAL DATA, 1933-1943. THE FARE INDEX IS FOR THE AVERAGE STREET RAILWAY FARE IN ALL U.S. CITIES WITH A POPULATION OF 50,000 OR MORE, EXCEPT NEW YORK CITY, AND WEIGHTED ACCORDING TO POPULATION. BEGINNING IN 1933 BUS FARES WERE INCLUDED. DECK IDENTIFICATION NUMBER IS '36' DK 36 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 36 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 36 COL 7 0 ICPSR VERSION NUMBER -------------------- 1 208 (ICPSR 7644) - (CONTINUED) - THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 36 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 36 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. 1 (ICPSR 7644) 209 - 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 36 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0251 03032 TON AGE 2S 946-960 MD=-999999 REF 0251 LOC 2220 WIDTH 9 DK 36 COL 17-25 IMP DEC= 1 0 INDEX OF TRUCK TONNAGE FOR GENERAL FREIGHT CARRIERS, SEASONALLY ADJUSTED ---------------------------------------------------- NBER SERIES: 03032 AREA COVERED: U.S. UNITS: 1957-1959=100 ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1946 - FOURTH,1960 MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY SOURCE SOURCE: U.S. BUREAU OF THE CENSUS; ORIGINALLY FROM THE AMERICAN TRUCKING ASSOCIATION, DEPARTMENT OF RESEARCH AND TRANSPORT ECONOMICS. NOTES: SERIES 03032 IS PRESENTED HERE AS TWO VARIABLES--(1)--SEASONALLY ADJUSTED DATA, QUARTERLY, 1946-1960 (2)--SEASONALLY ADJUSTED DATA, MONTHLY, 1955-1964. 1 210 (ICPSR 7644) - 0 VAR 0252 03032 TON AGE 3S 955-964 MD=-999999 REF 0252 LOC 2229 WIDTH 9 DK 36 COL 26-34 IMP DEC= 1 0 INDEX OF TRUCK TONNAGE FOR GENERAL FREIGHT CARRIERS, SEASONALLY ADJUSTED ---------------------------------------------------- NBER SERIES: 03032 AREA COVERED: U.S. UNITS: 1957-1959=100 ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1955-03/1964 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY SOURCE SOURCE: U.S. BUREAU OF THE CENSUS; ORIGINALLY FROM THE AMERICAN TRUCKING ASSOCIATION, DEPARTMENT OF RESEARCH AND TRANSPORT ECONOMICS. NOTES: SERIES 03032 IS PRESENTED HERE AS TWO VARIABLES--(1)--SEASONALLY ADJUSTED DATA, QUARTERLY, 1946-1960 (2)--SEASONALLY ADJUSTED DATA, MONTHLY, 1955-1964. ............................................................... 0 VAR 0253 03071 AIRLINE 3R 931-941 MD=-999999 REF 0253 LOC 2238 WIDTH 9 DK 36 COL 35-43 IMP DEC= 2 0 REVENUE AND NON-REVENUE PASSENGER-MILES, DOMESTIC AIRLINES ---------------------------------------------------------- NBER SERIES: 03071 AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGER-MILES ANNUAL COVERAGE: 1932-1941 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1931-12/1941 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1931-1939: U.S. DEPARTMENT OF COMMERCE, AIR COMMERCE BULLETIN. DATA FOR 1940-1941: CIVIL AERONAUTICS ADMINISTRATION, CIVIL AERONAUTICS JOURNAL. NOTES: DATA ARE FOR REVENUE AND NON-REVENUE MILES FLOWN. 1 (ICPSR 7644) 211 - 0 VAR 0254 03071 AIRLINE 3S 931-941 MD=-999999 REF 0254 LOC 2247 WIDTH 9 DK 36 COL 44-52 IMP DEC= 2 0 REVENUE AND NON-REVENUE PASSENGER-MILES, DOMESTIC AIRLINES, SEASONALLY ADJUSTED ----------------------------------------------------------- NBER SERIES: 03071 AREA COVERED: U.S. UNITS: MILLIONS OF PASSENGER-MILES ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1931-12/1941 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1931-1939: U.S. DEPARTMENT OF COMMERCE, AIR COMMERCE BULLETIN. DATA FOR 1940-1941: CIVIL AERONAUTICS ADMINISTRATION, CIVIL AERONAUTICS JOURNAL. NOTES: DATA ARE FOR REVENUE AND NON-REVENUE MILES FLOWN. ............................................................... 0 VAR 0255 03028 PAN CAN 3R 914-953 MD=-999999 REF 0255 LOC 2256 WIDTH 9 DK 36 COL 53-61 0 PANAMA CANAL TRAFFIC, CARGO --------------------------- NBER SERIES: 03028 AREA COVERED: U.S. UNITS: THOUSANDS OF LONG TONS ANNUAL COVERAGE: 1917-1952 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 08/1914-09/1915; 12/1915-1/1916; 04/1916-06/1953 SEASONAL ADJUSTMENT: NONE SOURCE: "THE PANAMA CANAL RECORD", MONTHLY SINCE 1937. NOTES: DATA REPRESENT CARGO IN TOLL-PAYING OCEAN GOING COMMERCIAL VESSELS OF 300 OR MORE NET TONS (PANAMA CANAL MEASUREMENT). THE PANAMA CANAL OPENED AUGUST 15, 1914. THE CANAL WAS CLOSED BETWEEN SEPTEMBER 18, 1915 AND APRIL 15, 1916 BECAUSE OF SLIDES. THE RAW FIGURE FOR JANUARY 1920 (895) IS CONFIRMED BY THE SURVEY OF CURRENT BUSINESS. LATER ISSUES OF THE PANAMA RECORD GIVE 924, BUT THAT IS THE FIGURE FOR DECEMBER 1919. 1 212 (ICPSR 7644) - 0 VAR 0256 03028 PAN CAN 3S 914-941 MD=-999999 REF 0256 LOC 2265 WIDTH 9 DK 36 COL 62-70 0 PANAMA CANAL TRAFFIC, CARGO, SEASONALLY ADJUSTED ------------------------------------------------ NBER SERIES: 03028 AREA COVERED: U.S. UNITS: THOUSANDS OF LONG TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 08/1914-09/1915; 12/1915-01/1916; 04/1916-02/1941 SEASONAL ADJUSTMENT: SEASONALY ADJUSTED BY NBER SOURCE: "THE PANAMA CANAL RECORD", MONTHLY SINCE 1937. NOTES: DATA REPRESENT CARGO IN TOLL-PAYING OCEAN GOING COMMERCIAL VESSELS OF 300 OR MORE NET TONS (PANAMA CANAL MEASUREMENT). THE PANAMA CANAL OPENED AUGUST 15, 1914. THE CANAL WAS CLOSED BETWEEN SEPTEMBER 18, 1915 AND APRIL 15, 1916 BECAUSE OF SLIDES. THE RAW FIGURE FOR JANUARY 1920 (895) IS CONFIRMED BY THE SURVEY OF CURRENT BUSINESS. LATER ISSUES OF THE PANAMA RECORD GIVE 924, BUT THAT IS THE FIGURE FOR DECEMBER 1919. ............................................................... 0 VAR 0257 03020 NEW CAN 1R 837-942 MD=-999999 REF 0257 LOC 2274 WIDTH 9 DK 36 COL 71-79 0 NEW YORK STATE CANAL TRAFFIC ---------------------------- NBER SERIES: 03020 AREA COVERED: U.S. UNITS: THOUSANDS OF SHORT TONS ANNUAL COVERAGE: 1837-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: NEW YORK STATE PUBLIC WORKS DEPARTMENT, ANNUAL REPORT OF THE SUPERINTENDENT, 1930, PP. 32-33; 1933, P. 27; 1938, P. 33; AND FOLLOWING ISSUES. NOTES: THE GENESSEE VALLEY CANAL OPENED IN 1840. DECK IDENTIFICATION NUMBER IS '37' DK 37 COL 1- 2 1 (ICPSR 7644) 213 - ---------------------------------- 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 37 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 37 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 37 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. 1 214 (ICPSR 7644) - 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 37 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 37 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0258 03029 SUEZ GO 3R 872-937 MD=-999999 REF 0258 LOC 2283 WIDTH 9 DK 37 COL 17-25 0 SUEZ CANAL TRAFFIC, CARGO ------------------------- NBER SERIES: 03029 1 (ICPSR 7644) 215 - (CONTINUED) - AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF METRIC TONS ANNUAL COVERAGE: 1873-1913, 1919-1936 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1872-06/1914; 01/1919-08/1937 SEASONAL ADJUSTMENT: NONE SOURCE: LE COMPAGNIE UNIVERSELLE DU CANAL MARITIME DE SUEZ, "LE CANAL DE SUEZ", BULLETIN DECADAIRE. NOTES: DATA FOR 1906-1914 WERE CHECKED BY NBER WITH WELTWIRTSCHAFTLICHES ARCHIV, BAND 25, 1927I, PP. 198 AND 205; RAYMOND JULIEN, LE TRAFIC DU CANAL DE SUEZ (PARIS, 1933), PP. 89 AND 92. DATA FOR SEPTEMBER 1921-1937 WITH THE U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS. ORIGINAL SOURCE WAS USED AS THE FINAL AUTHORITY. THE SOURCE WAS PUBLISHED ONLY ONCE A YEAR DURING THE WAR PERIOD; NO DATA ARE AVAILABLE. ............................................................... 0 VAR 0259 03029 SUEZ GO 3S 872-937 MD=-999999 REF 0259 LOC 2292 WIDTH 9 DK 37 COL 26-34 0 SUEZ CANAL TRAFFIC, CARGO, SEASONALLY ADJUSTED ---------------------------------------------- NBER SERIES: 03029 AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF METRIC TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1872-06/1914, 01/1919-08/1937 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: LE COMPAGNIE UNIVERSELLE DU CANAL MARITIME DE SUEZ, "LE CANAL DE SUEZ", BULLETIN DECADAIRE. NOTES: DATA FOR 1906-1914 WERE CHECKED BY NBER WITH WELTWIRTSCHAFTLICHES ARCHIV, BAND 25, 1927I, PP. 198 AND 205; RAYMOND JULIEN, LE TRAFIC DU CANAL DE SUEZ (PARIS, 1933), PP. 89 AND 92. DATA FOR SEPTEMBER 1921-1937 WITH THE U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS. ORIGINAL SOURCE WAS USED AS THE FINAL AUTHORITY. THE SOURCE WAS PUBLISHED ONLY ONCE A YEAR DURING THE WAR PERIOD; NO DATA ARE AVAILABLE. 1 216 (ICPSR 7644) - 0 VAR 0260 03021 KIELCAN 3R 895-935 MD=-999999 REF 0260 LOC 2301 WIDTH 9 DK 37 COL 35-43 0 KIEL CANAL TRAFFIC ------------------ NBER SERIES: 03021 AREA COVERED: GERMANY UNITS: THOUSANDS OF NET TONS (REGISTERED) ANNUAL COVERAGE: 1896-1934 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1895-03/1935 SEASONAL ADJUSTMENT: NONE SOURCE: STATISTICHES REICHSAMT, "VIERTELJAHRESHEFTE ZUR STATISTIK DES DEUTCHEN REICHES", 1896 AND FOLLOWING YEARS. NOTES: COVERAGE EXCLUDES WARSHIPS, OFFICIAL BOATS AND CANAL WORKING BOATS THROUGHOUT; AFTER MARCH 1921, SPORT SHIPS ARE ALSO EXCLUDED. THE KIEL CANAL WAS AT ONE POINT KNOWN AS THE KAISER WILHELM CANAL. ............................................................... 0 VAR 0261 03021 KIELCAN 3S 895-935 MD=-999999 REF 0261 LOC 2310 WIDTH 9 DK 37 COL 44-52 0 KIEL CANAL TRAFFIC, SEASONALLY ADJUSTED --------------------------------------- NBER SERIES: 03021 AREA COVERED: GERMANY UNITS: THOUSANDS OF NET TONS (REGISTERED) ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1895-03/1935 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: STATISTICHES REICHSAMT, "VIERTELJAHRESHEFTE ZUR STATISTIK DES DEUTCHEN REICHES", 1896 AND FOLLOWING YEARS. NOTES: COVERAGE EXCLUDES WARSHIPS, OFFICIAL BOATS AND CANAL WORKING BOATS THROUGHOUT; AFTER MARCH 1921, SPORT SHIPS ARE ALSO EXCLUDED. THE KIEL CANAL WAS AT ONE POINT KNOWN AS THE KAISER WILHELM CANAL. 1 (ICPSR 7644) 217 - 0 VAR 0262 03007C RI VER 1R 847-937 MD=-999999 REF 0262 LOC 2319 WIDTH 9 DK 37 COL 53-61 IMP DEC= 2 0 CANAL AND RIVER FREIGHT TRAFFIC ------------------------------- NBER SERIES: 03007C AREA COVERED: FRANCE UNITS: BILLIONS OF METRIC TON-KILOMETERS ANNUAL COVERAGE: 1847-1913, 1915-1937 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: MINISTERE DES TRAVAUX PUBLIES, STATISTIQUE DE LA NAVIGATION INTERIEURE, 1935, P. 65; ANNUAIRE STATISQUE, 1938, P. 129. NOTES: DATA ARE FOR STREAMS, RIVERS, LAKES, CANALS, AND PONDS. DATA FOR 1847-1869 AND 1920-1937 INCLUDE THE ALSACE LORRAINE. DATA FOR 1915-1919 ARE BASED ON INCOMPLETE RETURNS. ............................................................... 0 VAR 0263 03022 RED FOR 3R 893-941 MD=-999999 REF 0263 LOC 2328 WIDTH 9 DK 37 COL 62-70 0 VESSELS CLEARED IN FOREIGN TRADE -------------------------------- NBER SERIES: 03022 AREA COVERED: U.S. UNITS: THOUSANDS OF NET TONS ANNUAL COVERAGE: 1894-1940 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1893-10/1941 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1894-MAY 1934: MONTHLY SUMMARY OF FOREIGN COMMERCE. DATA FOR JUNE 1934-1941: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, SUCCESSIVE ISSUES. NOTES: DATA ARE FOR NET TONS OF 100 CUBIC FEET, EXCLUDING ENGINE SPACE, CREW SPACE, ETC. DATA ARE FOR VESSELS CLEARED IN FOREIGN TRADE AND DOES NOT INCLUDE THE DOMESTIC TRADE BETWEEN ALASKA, HAWAII, PUERTO RICO, GUAM, SAMOA, AND THE U.S. DATA THROUGH JUNE 1906 WERE COMPUTED BY ADDING 1 218 (ICPSR 7644) - (CONTINUED) - "SAILING" AND "STEAM". THE MONTHLY SUMMARY OF FOREIGN COMMERCE CHANGED TITLES THROUGHOUT THE SPAN OF THIS VARIABLE. FOR 1893-1894 IT WAS CALLED THE SUMMARY STATEMENT OF IMPORTS AND EXPORTS; FOR 1895, FINANCE, COMMERCE, AND NAVIGATION; FOR 1896-JUNE 1898, MONTHLY SUMMARY OF FINANCE AND COMMERCE; FOR JULY 1898-JUNE 1914, MONTHLY SUMMARY OF COMMERCE AND FINANCE; FOR JULY 1914-1934, MONTHLY SUMMARY OF FOREIGN COMMERCE. ............................................................... 0 VAR 0264 03022 RED FOR 3S 893-941 MD=-999999 REF 0264 LOC 2337 WIDTH 9 DK 37 COL 71-79 0 VESSELS CLEARED IN FOREIGN TRADE, SEASONALLY ADJUSTED ----------------------------------------------------- NBER SERIES: 03022 AREA COVERED: U.S. UNITS: THOUSANDS OF NET TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1893-10/1941 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1894-MAY 1934: MONTHLY SUMMARY OF FOREIGN COMMERCE. DATA FOR JUNE 1934-1941: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, SUCCESSIVE ISSUES. NOTES: DATA ARE FOR NET TONS OF 100 CUBIC FEET, EXCLUDING ENGINE SPACE, CREW SPACE, ETC. DATA ARE FOR VESSELS CLEARED IN FOREIGN TRADE AND DOES NOT INCLUDE THE DOMESTIC TRADE BETWEEN ALASKA, HAWAII, PUERTO RICO, GUAM, SAMOA, AND THE U.S. DATA THROUGH JUNE 1906 WERE COMPUTED BY ADDING "SAILING" AND "STEAM". THE MONTHLY SUMMARY OF FOREIGN COMMERCE CHANGED TITLES THROUGHOUT THE SPAN OF THIS VARIABLE. FOR 1893-1894 IT WAS CALLED THE SUMMARY STATEMENT OF IMPORTS AND EXPORTS; FOR 1895, FINANCE, COMMERCE, AND NAVIGATION; FOR 1896-JUNE 1898, MONTHLY SUMMARY OF FINANCE AND COMMERCE; FOR JULY 1898-JUNE 1914, MONTHLY SUMMARY OF COMMERCE AND FINANCE; FOR JULY 1914-1934, MONTHLY SUMMARY OF FOREIGN COMMERCE. DECK IDENTIFICATION NUMBER IS '38' DK 38 COL 1- 2 ---------------------------------- 1 (ICPSR 7644) 219 - 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 38 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 38 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 38 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 38 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- 1 220 (ICPSR 7644) - (CONTINUED) - THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 38 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0265 03023 RED ADE 3R 893-941 MD=-999999 REF 0265 LOC 2346 WIDTH 9 DK 38 COL 17-25 IMP DEC= 2 0 VESSELS ENTERED IN FOREIGH TRADE -------------------------------- NBER SERIES: 03023 AREA COVERED: U.S. UNITS: MILLIONS OF NET TONS ANNUAL COVERAGE: 1894-1940 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1893-09/1941 SEASONAL ADJUSTMENT: NONE 1 (ICPSR 7644) 221 - (CONTINUED) - SOURCE: DATA FOR 1894-MAY 1934: MONTHLY SUMMARY OF FOREIGN COMMERCE. DATA FOR JUNE 1934-1941: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, SUCCESSIVE ISSUES. NOTES: DATA ARE FOR NET TONS OF 100 CUBIC FEET, EXCLUDING ENGINE SPACE, CREW SPACE, ETC. DATA ARE FOR VESSELS ENTERED IN FOREIGN TRADE AND DO INCLUDE THE DOMESTIC TRADE BETWEEN ALASKA, HAWAII, PUERTO RICO, GUAM, SAMOA, AND THE U.S. TOTAL TONNAGE FIGURES ARE USED INCLUDING "WITH CARGO" AND "IN BALLAST". DATA THROUGH JUNE 1906 WERE COMPUTED BY ADDING "SAILING" TO "STEAM". DATA FOR JANUARY-AUGUST 1936 ARE UNREVISED; THE SUM OF TWELVE MONTHS FOR 1936 IS 0.1 % LESS THAN THE ANNUAL TOTAL PUBLISHED IN FOREIGN COMMERCE AND NAVIGATION OF THE U.S. THE MONTHLY SUMMARY OF FOREIGN COMMERCE CHANGED TITLES THROUGHOUT THE SPAN OF THIS VARIABLE. FOR 1893-1894 IT WAS CALLED THE SUMMARY STATEMENT OF IMPORTS AND EXPORTS; FOR 1895, FINANCE, COMMERCE, AND NAVIGATION; FOR 1896-JUNE 1898, MONTHLY SUMMARY OF FINANCE AND COMMERCE; FOR JULY 1898-JUNE 1914, MONTHLY SUMMARY OF COMMERCE AND FINANCE; FOR JULY 1914-1934, MONTHLY SUMMARY OF FOREIGN COMMERCE. ............................................................... 0 VAR 0266 03023 RED ADE 3S 893-941 MD=-999999 REF 0266 LOC 2355 WIDTH 9 DK 38 COL 26-34 IMP DEC= 2 0 VESSELS ENTERED IN FOREIGN TRADE, SEASONALLY ADJUSTED ----------------------------------------------------- NBER SERIES: 03023 AREA COVERED: U.S. UNITS: MILLIONS OF NET TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 07/1893-09/1941 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DATA FOR 1894-MAY 1934: MONTHLY SUMMARY OF FOREIGN COMMERCE. DATA FOR JUNE 1934-1941: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS, SUCCESSIVE ISSUES. NOTES: DATA ARE FOR NET TONS OF 100 CUBIC FEET, EXCLUDING ENGINE SPACE, CREW SPACE, ETC. DATA ARE FOR VESSELS ENTERED IN FOREIGN TRADE AND DO INCLUDE THE DOMESTIC TRADE BETWEEN ALASKA, HAWAII, PUERTO RICO, GUAM, SAMOA, AND THE U.S. TOTAL TONNAGE FIGURES ARE USED INCLUDING "WITH CARGO" AND "IN BALLAST". DATA THROUGH JUNE 1906 WERE COMPUTED BY ADDING 1 222 (ICPSR 7644) - (CONTINUED) - "SAILING" TO "STEAM". DATA FOR JANUARY-AUGUST 1936 ARE UNREVISED; THE SUM OF TWELVE MONTHS FOR 1936 IS 0.1 % LESS THAN THE ANNUAL TOTAL PUBLISHED IN FOREIGN COMMERCE AND NAVIGATION OF THE U.S. THE MONTHLY SUMMARY OF FOREIGN COMMERCE CHANGED TITLES THROUGHOUT THE SPAN OF THIS VARIABLE. FOR 1893-1894 IT WAS CALLED THE SUMMARY STATEMENT OF IMPORTS AND EXPORTS; FOR 1895, FINANCE, COMMERCE, AND NAVIGATION; FOR 1896-JUNE 1898, MONTHLY SUMMARY OF FINANCE AND COMMERCE; FOR JULY 1898-JUNE 1914, MONTHLY SUMMARY OF COMMERCE AND FINANCE; FOR JULY 1914-1934, MONTHLY SUMMARY OF FOREIGN COMMERCE. ............................................................... 0 VAR 0267 03024 AGE RED 3R 846-939 MD=-999999 REF 0267 LOC 2364 WIDTH 9 DK 38 COL 35-43 0 TONNAGE CLEARED, BRITISH AND FOREIGN ------------------------------------ NBER SERIES: 03024 AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF NET TONS ANNUAL COVERAGE: 1846-1938 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1846-08/1939 SEASONAL ADJUSTMENT: NONE SOURCE: BOARD OF TRADE, STATISTICAL OFFICE, "ACCOUNTS RELATING TO TRADE AND NAVIGATION". NOTES: SINCE JANUARY 1912, VESSELS LANDING OR EMBARKING BULLION, SPICE, OR MAILS ONLY, ARE INCLUDED IN RETURNS AS VESSELS WITH CARGOES. THEY WERE PREVIOUSLY CONSIDERED VESSELS IN BALLAST. DATA EXCLUDE THE IRISH FREE STATE FROM APRIL 1923 ON. ............................................................... 0 VAR 0268 03024 AGE RED 3S 854-939 MD=-999999 REF 0268 LOC 2373 WIDTH 9 DK 38 COL 44-52 0 TONNAGE CLEARED, BRITISH AND FOREIGN, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03024 AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF NET TONS ANNUAL COVERAGE: NONE 1 (ICPSR 7644) 223 - (CONTINUED) - QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1854-08/1939 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: BOARD OF TRADE, STATISTICAL OFFICE, "ACCOUNTS RELATING TO TRADE AND NAVIGATION". NOTES: SINCE JANUARY 1912, VESSELS LANDING OR EMBARKING BULLION, SPICE, OR MAILS ONLY, ARE INCLUDED IN RETURNS AS VESSELS WITH CARGOES. THEY WERE PREVIOUSLY CONSIDERED VESSELS IN BALLAST. DATA EXCLUDE THE IRISH FREE STATE FROM APRIL 1923 ON. ............................................................... 0 VAR 0269 03025 TON RED 3R 846-939 MD=-999999 REF 0269 LOC 2382 WIDTH 9 DK 38 COL 53-61 0 TONNAGE ENTERED, BRITISH AND FOREIGN ------------------------------------ NBER SERIES: 03025 AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF NET TONS ANNUAL COVERAGE: 1846-1938 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1846-08/1939 SEASONAL ADJUSTMENT: NONE SOURCE: BOARD OF TRADE, STATISTICAL OFFICE, "ACCOUNTS RELATING TO TRADE AND NAVIGATION". NOTES: DATA ARE FOR THE NET TONNAGE OF VESSELS ENTERED, EXCLUSIVE OF CARGO. DATA FOR 1846-AUGUST 1937 COVER THE VOLUME OF TWO YEARS PAST DATA; DATA FOR SEPTEMBER 1937-AUGUST 1938 COVER THE VOLUME OF ONE YEARS PAST DATA; DATA FOR SEPTEMBER 1938-AUGUST 1939 COVER CURRENT VOLUME. DATA FOR APRIL 1923-1939 EXCLUDE THE IRISH FREE STATE. ............................................................... 0 VAR 0270 03025 TON RED 3S 854-939 MD=-999999 REF 0270 LOC 2391 WIDTH 9 DK 38 COL 62-70 0 TONNAGE ENTERED, BRITISH AND FOREIGN, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03025 AREA COVERED: GREAT BRITAIN UNITS: THOUSANDS OF NET TONS 1 224 (ICPSR 7644) - (CONTINUED) - ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1854-08/1939 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: BOARD OF TRADE, STATISTICAL OFFICE, "ACCOUNTS RELATING TO TRADE AND NAVIGATION". NOTES: DATA ARE FOR THE NET TONNAGE OF VESSELS ENTERED, EXCLUSIVE OF CARGO. DATA FOR 1846-AUGUST 1937 COVER THE VOLUME OF TWO YEARS PAST DATA; DATA FOR SEPTEMBER 1937-AUGUST 1938 COVER THE VOLUME OF ONE YEARS PAST DATA; DATA FOR SEPTEMBER 1938-AUGUST 1939 COVER CURRENT VOLUME. DATA FOR APRIL 1923-1939 EXCLUDE THE IRISH FREE STATE. ............................................................... 0 VAR 0271 03026 VESSELS 3R 892-939 MD=-999999 REF 0271 LOC 2400 WIDTH 9 DK 38 COL 71-79 0 VESSELS CLEARED --------------- NBER SERIES: 03026 AREA COVERED: FRANCE UNITS: THOUSANDS OF GROSS TONS ANNUAL COVERAGE: 1892-1938 QUARTERLY COVERAGE: FIRST,1892 - FIRST,1934 MONTHLY COVERAGE: 01/1892-07/1939 SEASONAL ADJUSTMENT: NONE SOURCE: DIRECTOR GENERALE DES DOUANES, "DOCUMENTS STATISTIQUE SUR LE COMMERCE DE LA FRANCE, 1921/1923; NAME THEN CHANGES TO "STATISTE QUE MENSUELLE DU COMMERCE EXTEXIEUR DE CA FRANCE". NOTES: DATA FOR JULY 1938 ON ARE SUBJECT TO REVISION. DECK IDENTIFICATION NUMBER IS '39' DK 39 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 39 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY 1 (ICPSR 7644) 225 - (CONTINUED) - NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 39 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 39 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 39 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 1 226 (ICPSR 7644) - (CONTINUED) - 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 39 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0272 03026 VESSELS 3S 892-934 MD=-999999 REF 0272 LOC 2409 WIDTH 9 DK 39 COL 17-25 0 VESSELS CLEARED, SEASONALLY ADJUSTED ------------------------------------ NBER SERIES: 03026 AREA COVERED: FRANCE UNITS: THOUSANDS OF GROSS TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1892-01/1934 SEASONAL ADJUSTMENT: SEASONALLY ADUSTED BY NBER SOURCE: DIRECTOR GENERALE DES DOUANES, "DOCUMENTS STATISTIQUE SUR LE COMMERCE DE LA FRANCE, 1921/1923; NAME THEN CHANGES TO "STATISTE QUE MENSUELLE DU COMMERCE EXTEXIEUR DE CA FRANCE". NOTES: DATA FOR JULY 1938 ON ARE SUBJECT TO REVISION. 1 (ICPSR 7644) 227 - 0 VAR 0273 03027 SEL RED 3R 892-939 MD=-999999 REF 0273 LOC 2418 WIDTH 9 DK 39 COL 26-34 0 VESSELS ENTERED --------------- NBER SERIES: 03027 AREA COVERED: FRANCE UNITS: THOUSANDS OF GROSS TONS ANNUAL COVERAGE: 1892-1938 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1892-07/1939 SEASONAL ADJUSTMENT: NONE SOURCE: DIRECTOR GENERALE DES DOUANES, "DOCUMENTS STATISTIQUE SUR LE COMMERCE DE LA FRANCE, 1921/1923; NAME THEN CHANGES TO "STATISTE QUE MENSUELLE DU COMMERCE EXTEXIEUR DE CA FRANCE". ............................................................... 0 VAR 0274 03027 SEL RED 3S 892-934 MD=-999999 REF 0274 LOC 2427 WIDTH 9 DK 39 COL 35-43 0 VESSELS ENTERED, SEASONALLY ADJUSTED ------------------------------------ NBER SERIES: 03027 AREA COVERED: FRANCE UNITS: THOUSANDS OF GROSS TONS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: FIRST,1892 - FOURTH,1933 MONTHLY COVERAGE: 01/1892-05/1934 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: DIRECTOR GENERALE DES DOUANES, "DOCUMENTS STATISTIQUE SUR LE COMMERCE DE LA FRANCE, 1921/1923; NAME THEN CHANGES TO "STATISTE QUE MENSUELLE DU COMMERCE EXTEXIEUR DE CA FRANCE". ............................................................... 0 VAR 0275 03013B CHI GO 3R 890-933 MD=-999999 REF 0275 LOC 2436 WIDTH 9 DK 39 COL 44-52 IMP DEC= 2 0 WHEAT FREIGHT RATES, LAKE, CHICAGO TO BUFFALO --------------------------------------------- NBER SERIES: 03013B 1 228 (ICPSR 7644) - (CONTINUED) - AREA COVERED: U.S. UNITS: CENTS PER BUSHEL ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: SEE NOTES SEASONAL ADJUSTMENT: NONE SOURCE: CHICAGO BOARD OF TRADE, ANNUAL REPORTS; EXCEPT DATA FOR 1900 WHICH ARE FROM THE NEW YORK PRODUCE EXCHANGE, ANNUAL STATISTICAL REPORT (THE CHICAGO BOARD OF TRADE REPORTS 1899 DATA IN THEIR 1900 REPORT). DATA FOR 1933 CAME DIRECTLY FROM CHICAGO BOARD FILES, DEPARTMENT OF TRANSPORTATION. NOTES: DATA ARE NOT AVAILABLE DURING JANUARY-MARCH OF EACH YEAR; IN APRIL 1900, 1916, 1918, 1920, 1925-1926, 1928, AND 1930; IN DECEMBER 1890, 1900, 1912, 1914-1915, 1917, 1919-1920, 1924, AND 1927-1930; IN NOVEMBER 1920, 1927-1928; JUNE-JULY 1917; MAY-JUNE 1918; AND JUNE 1928. DATA ARE COMPUTED BY NBER BASED ON A WEEKLY AVERAGE PER MONTH. WEEKS ENDING ON SATURDAY ARE AVERAGED WITH DAYS OF WEEKS NOT ENDING WITHIN THE MONTH. ............................................................... 0 VAR 0276 03013B CHI GO 3S 890-933 MD=-999999 REF 0276 LOC 2445 WIDTH 9 DK 39 COL 53-61 IMP DEC= 2 0 WHEAT FREIGHT RATES, LAKE, CHICAGO TO BUFFALO, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03013B AREA COVERED: U.S. UNITS: CENTS PER BUSHEL ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: SEE NOTES SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: CHICAGO BOARD OF TRADE, ANNUAL REPORTS; EXCEPT DATA FOR 1900 WHICH ARE FROM THE NEW YORK PRODUCE EXCHANGE, ANNUAL STATISTICAL REPORT (THE CHICAGO BOARD OF TRADE REPORTS 1899 DATA IN THEIR 1900 REPORT). DATA FOR 1933 CAME DIRECTLY FROM CHICAGO BOARD FILES, DEPARTMENT OF TRANSPORTATION. NOTES: DATA ARE NOT AVAILABLE DURING JANUARY-MARCH OF EACH YEAR; IN APRIL 1900, 1916, 1918, 1920, 1925-1926, 1928, AND 1930; IN DECEMBER 1890, 1900, 1912, 1914-1915, 1917, 1919-1920, 1924, AND 1927-1930; IN NOVEMBER 1920, 1927-1928; 1 (ICPSR 7644) 229 - (CONTINUED) - JUNE-JULY 1917; MAY-JUNE 1918; AND JUNE 1928. DATA ARE COMPUTED BY NBER BASED ON A WEEKLY AVERAGE PER MONTH. WEEKS ENDING ON SATURDAY ARE AVERAGED WITH DAYS OF WEEKS NOT ENDING WITHIN THE MONTH. ............................................................... 0 VAR 0277 03033 HIP RAT 3R 920-939 MD=-999999 REF 0277 LOC 2454 WIDTH 9 DK 39 COL 62-70 IMP DEC= 1 0 INDEX OF SHIPPING FREIGHT RATES, BRITISH ROUTES ----------------------------------------------- NBER SERIES: 03033 AREA COVERED: GREAT BRITAIN UNITS: 1898-1913=100 ANNUAL COVERAGE: 1920-1938 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1939 SEASONAL ADJUSTMENT: NONE SOURCE: THE ECONOMIST, FEBRUARY 26, 1938, P. 484, AND FOLLOWING WEEKLY ISSUES; FIGURES FOR MAY-NOVEMBER 1926 ARE FROM THE SOURCE FOR THESE MONTHS. NOTES: DATA FOR MAY-NOVEMBER 1926 WERE ADJUSTED BY THE ECONOMIST TO NULLIFY THE EFFECTS OF THE COAL STRIKE. FIGURES REFLECTING THE STRIKE'S EFFECTS (NO COAL EXPORTS) ARE AS FOLLOWS: MAY--962; JUNE--104.4; JULY--116.0; AUGUST--122.8; SEPTEMBER--131.3; OCTOBER--182.7; NOVEMBER--196.7. ............................................................... 0 VAR 0278 03033 HIP RAT 3S 920-939 MD=-999999 REF 0278 LOC 2463 WIDTH 9 DK 39 COL 71-79 IMP DEC= 1 0 INDEX OF SHIPPING FREIGHT RATES, BRITISH ROUTES, SEASONALLY ADJUSTED ----------------------------------------------------------- NBER SERIES: 03033 AREA COVERED: GREAT BRITAIN UNITS: 1898-1913=100 ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-08/1939 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: THE ECONOMIST (LONDON) 1 230 (ICPSR 7644) - DECK IDENTIFICATION NUMBER IS '40' DK 40 COL 1- 2 ---------------------------------- 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 40 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 40 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 40 COL 8-10 0 PART NUMBER ----------- A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. 1 (ICPSR 7644) 231 - 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 40 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 40 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0279 03034 RAT POL 3R 887-939 MD=-999999 REF 0279 LOC 2472 WIDTH 9 DK 40 COL 17-25 IMP DEC= 3 0 OCEAN FREIGHT RATES ON GRAIN, NEW YORK TO LIVERPOOL --------------------------------------------------- NBER SERIES: 03034 1 232 (ICPSR 7644) - (CONTINUED) - AREA COVERED: GREAT BRITAIN UNITS: PENCE PER BUSHEL (SIXTY POUNDS) ANNUAL COVERAGE: 1887-1913, 1915, 1921-1938 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1887-07/1914; 09/1914-10/1916; 01/1921-09/1939 SEASONAL ADJUSTMENT: NONE SOURCE: NEW YORK PRODUCE EXCHANGE, DATA FOR 1887-1920: ANNUAL STATISTICAL REPORTS OF THE NYPE. DATA FOR 1921-1939: DIRECT FROM NYPE FILES, STATISTICAL DEPARTMENT. NOTES: DATA FOR 1921-1939 WERE CONVERTED FROM SHILLINGS AND PENCE PER QUARTER (480 POUNDS) TO PENCE PER BUSHEL (SIXTY POUNDS) BY NBER BY REDUCING TO PENCE AND DIVIDING BY EIGHT. ............................................................... 0 VAR 0280 03034 RAT POL 3S 887-928 MD=-999999 REF 0280 LOC 2481 WIDTH 9 DK 40 COL 26-34 IMP DEC= 3 0 OCEAN FREIGHT RATES ON GRAIN, NEW YORK TO LIVERPOOL, SEASONALLY ADJUSTED ---------------------------------------------------- NBER SERIES: 03034 AREA COVERED: GREAT BRITAIN UNITS: PENCE PER BUSHEL (SIXTY POUNDS) ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1887-12/1901; 01/1905-07/1914; 09/1914-10/1916; 01/1922-12/1928 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: NEW YORK PRODUCE EXCHANGE, DATA FOR 1887-1920: ANNUAL STATISTICAL REPORTS OF THE NYPE. DATA FOR 1921-1928: DIRECT FROM NYPE FILES, STATISTICAL DEPARTMENT. NOTES: DATA FOR 1921-1928 WERE CONVERTED FROM SHILLINGS AND PENCE PER QUARTER (480 POUNDS) TO PENCE PER BUSHEL (SIXTY POUNDS) BY NBER BY REDUCING TO PENCE AND DIVIDING BY EIGHT. ............................................................... 0 VAR 0281 03019A MESAGE 1R 867-912 MD=-999999 REF 0281 LOC 2490 WIDTH 9 DK 40 COL 35-43 0 NUMBER OF MESSAGES SENT, WESTERN UNION TELEGRAPH COMPANY -------------------------------------------------------- 1 (ICPSR 7644) 233 - (CONTINUED) - NBER SERIES: 03019A AREA COVERED: U.S. UNITS: THOUSANDS OF MESSAGES ANNUAL COVERAGE: 1867-1912 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: NONE SEASONAL ADJUSTMENT: NONE SOURCE: STATISTICAL ABSTRACT OF THE UNITED STATES, 1910, P. 257. DATA FOR 1911 AND 1912 WERE ESTIMATED. NOTES: ANNUAL TOTALS ARE BASED ON A FISCAL YEAR ENDING JUNE 30. DATA BEGINNING 1903 DO NOT INCLUDE MESSAGES SENT OVER LEASED WIRES OR UNDER RAILROAD CONTRACTS. DATA ARE ORIGINALLY FROM ANNUAL WESTERN UNION REPORTS AND WERE CHECKED WITH STATISTICAL ABSTRACTS OF 1915, P. 267; 1920, P. 369. ............................................................... 0 VAR 0282 03018 OPE RAT 3R 915-934 MD=-999999 REF 0282 LOC 2499 WIDTH 9 DK 40 COL 44-52 IMP DEC= 1 0 TOTAL OPERATING REVENUES, TELEPHONE COMPANIES --------------------------------------------- NBER SERIES: 03018 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1916-1933 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 10/1915-05/1934 SEASONAL ADJUSTMENT: NONE SOURCE: INTERSTATE COMMERCE COMMISSION FILES NOTES: SERIES 03018 IS PRESENTED HERE AS EIGHT VARIABLES--(1)--ORIGINAL DATA, 1915-1934 (2)--SEASONALLY ADJUSTED DATA, 1915-1934 (3)--ORIGINAL DATA, 1933-1948 (4)--SEASONALLY ADJUSTED, 1933-1948 (5)--ORIGINAL DATA, 1942-1948 (6)--SEASONALLY ADJUSTED, 1942-1948 (7)--ORIGINAL DATA, 1948-1961 (8)--SEASONALLY ADJUSTED, 1948-1961. DATA IN THIS VARIABLE COVER CLASS A COMPANIES -- THOSE HAVING ANNUAL OPERATING REVENUES IN EXCESS OF $250,000. UNDER FEDERAL COMMUNICATIONS COMMISSION JURISDICTION, CLASS A COMPANIES ARE THOSE WITH OPERATING REVENUES OF OVER $100,000, BUT ONLY THOSE HAVING OVER $250,000 ("LARGE COMPANIES") FILE MONTHLY REPORTS. DATA COVER APPROXIMATELY 103 COMPANIES. 1 234 (ICPSR 7644) - 0 VAR 0283 03018 OPE RAT 3S 915-934 MD=-999999 REF 0283 LOC 2508 WIDTH 9 DK 40 COL 53-61 IMP DEC= 1 0 TOTAL OPERATING REVENUES, TELEPHONE COMPANIES, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03018 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 10/1915-05/1934 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER SOURCE: INTERSTATE COMMERCE COMMISSION FILES NOTES: SERIES 03018 IS PRESENTED HERE AS EIGHT VARIABLES--(1)--ORIGINAL DATA, 1915-1934 (2)--SEASONALLY ADJUSTED DATA, 1915-1934 (3)--ORIGINAL DATA, 1933-1948 (4)--SEASONALLY ADJUSTED, 1933-1948 (5)--ORIGINAL DATA, 1942-1948 (6)--SEASONALLY ADJUSTED, 1942-1948 (7)--ORIGINAL DATA, 1948-1961 (8)--SEASONALLY ADJUSTED, 1948-1961. DATA IN THIS VARIABLE COVER CLASS A COMPANIES -- THOSE HAVING ANNUAL OPERATING REVENUES IN EXCESS OF $250,000. UNDER FEDERAL COMMUNICATIONS COMMISSION JURISDICTION, CLASS A COMPANIES ARE THOSE WITH OPERATING REVENUES OF OVER $100,000, BUT ONLY THOSE HAVING OVER $250,000 ("LARGE COMPANIES") FILE MONTHLY REPORTS. DATA COVER APPROXIMATELY 103 COMPANIES. ............................................................... 0 VAR 0284 03018 OPE RAT 3R 933-948 MD=-999999 REF 0284 LOC 2517 WIDTH 9 DK 40 COL 62-70 IMP DEC= 1 0 TOTAL OPERATING REVENUES, TELEPHONE COMPANIES --------------------------------------------- NBER SERIES: 03018 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1933-1948 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1933-12/1948 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1933-1940: FEDERAL COMMUNICATIONS COMMISSION, "STATISTICS OF THE COMMUNICATIONS INDUSTRY IN 1 (ICPSR 7644) 235 - (CONTINUED) - THE UNITED STATES" FOR THE YEAR ENDED DECEMBER 31, 1941. DATA FOR 1941-1948: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS; CROSS-CHECKED WITH ISSUES OF THE FCC PUBLICATION CITED ABOVE. NOTES: SERIES 03018 IS PRESENTED HERE AS EIGHT VARIABLES--(1)--ORIGINAL DATA, 1915-1934 (2)--SEASONALLY ADJUSTED DATA, 1915-1934 (3)--ORIGINAL DATA, 1933-1948 (4)--SEASONALLY ADJUSTED, 1933-1948 (5)--ORIGINAL DATA, 1942-1948 (6)--SEASONALLY ADJUSTED, 1942-1948 (7)--ORIGINAL DATA, 1948-1961 (8)--SEASONALLY ADJUSTED, 1948-1961. DATA IN THIS VARIABLE COVER "LARGE" COMPANIES, WHICH WERE FORMERLY CALLED CLASS A COMPANIES -- THOSE HAVING ANNUAL OPERATING REVENUES IN EXCESS OF $250,000. DATA COVER 100-114 COMPANIES. THE HUGE DECREASE IN JUNE 1934 REFLECTS ABOUT SIXTEEN MILLION DOLLARS IN REFUNDS TO CHICAGO COIN-BOX SUBSCRIBERS, COVERING AN ELEVEN-YEAR PERIOD, DEDUCTED DURING JUNE BY THE ILLINOIS BELL TELEPHONE COMPANY. DATA FOR DECEMBER 1934; MARCH, NOVEMBER, AND DECEMBER 1935 REFLECT ADJUSTMENTS COVERING ESTIMATED REFUNDS. ............................................................... 0 VAR 0285 03018 OPE RAT 3S 933-948 MD=-999999 REF 0285 LOC 2526 WIDTH 9 DK 40 COL 71-79 IMP DEC= 1 0 TOTAL OPERATING REVENUES, TELEPHONE COMPANIES, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03018 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1933-12/1945; 10-12/1948 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY IBM SOURCE: DATA FOR 1933-1940: FEDERAL COMMUNICATIONS COMMISSION, "STATISTICS OF THE COMMUNICATIONS INDUSTRY IN THE UNITED STATES" FOR THE YEAR ENDED DECEMBER 31, 1941. DATA FOR 1941-1948: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS; CROSS-CHECKED WITH ISSUES OF THE FCC PUBLICATION CITED ABOVE. NOTES: SERIES 03018 IS PRESENTED HERE AS EIGHT VARIABLES--(1)--ORIGINAL DATA, 1915-1934 (2)--SEASONALLY ADJUSTED DATA, 1915-1934 (3)--ORIGINAL DATA, 1933-1948 1 236 (ICPSR 7644) - (CONTINUED) - (4)--SEASONALLY ADJUSTED, 1933-1948 (5)--ORIGINAL DATA, 1942-1948 (6)--SEASONALLY ADJUSTED, 1942-1948 (7)--ORIGINAL DATA, 1948-1961 (8)--SEASONALLY ADJUSTED, 1948-1961. DATA IN THIS VARIABLE COVER "LARGE" COMPANIES, WHICH WERE FORMERLY CALLED CLASS A COMPANIES -- THOSE HAVING ANNUAL OPERATING REVENUES IN EXCESS OF $250,000. DATA COVER 100-114 COMPANIES. THE HUGE DECREASE IN JUNE 1934 REFLECTS ABOUT SIXTEEN MILLION DOLLARS IN REFUNDS TO CHICAGO COIN-BOX SUBSCRIBERS, COVERING AN ELEVEN-YEAR PERIOD, DEDUCTED DURING JUNE BY THE ILLINOIS BELL TELEPHONE COMPANY. DATA FOR DECEMBER 1934; MARCH, NOVEMBER, AND DECEMBER 1935 REFLECT ADJUSTMENTS COVERING ESTIMATED REFUNDS. DECK IDENTIFICATION NUMBER IS '41' DK 41 COL 1- 2 ---------------------------------- ............................................................... 0 VAR 0001 ICPSR STUDY NUMBER NO MISSING DATA CODES REF 0001 LOC 1 WIDTH 4 DK 41 COL 3- 6 0 ICPSR STUDY NUMBER ------------------ THE VALUE OF THIS VARIABLE FOR ALL CASES IS 7644, THE STUDY NUMBER ASSIGNED BY THE ICPSR TO THE NBER COLLECTION. ............................................................... 0 VAR 0002 ICPSR VERSION NUMBER NO MISSING DATA CODES REF 0002 LOC 5 WIDTH 1 DK 41 COL 7 0 ICPSR VERSION NUMBER -------------------- THE VALUE OF THIS VARIABLE FOR ALL CASES IS 1, SIGNIFYING THE FIRST ICPSR RELEASE OF THIS DATASET, SUMMER, 1980. ............................................................... 0 VAR 0003 PART NUMBER NO MISSING DATA CODES REF 0003 LOC 6 WIDTH 3 DK 41 COL 8-10 0 PART NUMBER ----------- 1 (ICPSR 7644) 237 - (CONTINUED) - A UNIQUE ALPHANUMERIC CODE HAS BEEN ASSIGNED TO EACH DATASET IN THE NBER COLLECTION. THE FIRST TWO DIGITS OF THIS VARIABLE CONSIST OF THE CATEGORY NUMBER DESIGNATED IN THE NBER CATALOG. THE THIRD DIGIT IS AN ALPHANUMERIC CHARACTER WHICH CAN BE USED TO IDENTIFY DIFFERENT DATASETS WITHIN EACH CATEGORY. THUS, 03A IS THE ONLY DATASET IN CATEGORY 3, "TRANSPORTATION AND PUBLIC UTILITIES". THE VALUE OF THE PART NUMBER VARIABLE FOR ALL CASES IN THIS DATASET IS 03A. ............................................................... 0 VAR 0004 CASE NUMBER (YEAR/MO) NO MISSING DATA CODES REF 0004 LOC 9 WIDTH 5 DK 41 COL 11-15 0 TIME INTERVAL VARIABLE ---------------------- THE TIME INTERVAL VARIABLE DEFINES THE TIME PERIOD TO WHICH A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) PERTAIN. IT IS A FIVE DIGIT INTEGER OF WHICH THE FIRST THREE DIGITS IDENTIFY THE YEAR AND THE LAST TWO DIGITS IDENTIFY THE SUB-INTERVAL WITHIN THE YEAR--01 TO 12 FOR JANUARY THROUGH DECEMBER; 03, 06, 09, AND 12 FOR THE FIRST SECOND, THIRD, AND FOURTH QUARTERS; AND 00 FOR ANNUAL DATA. THUS, FOR EXAMPLE, ANNUAL DATA FOR 1945 ARE IDENTIFIED BY 94500; JANUARY, 1945 BY 94501; AND SO ON. FOR A COMPLETE DESCRIPTION, SEE THE INTRODUCTION. THE TIME PERIOD COVERED IN THIS DATASET IS 1837-1974. ............................................................... 0 VAR 0005 FILTER NO MISSING DATA CODES REF 0005 LOC 14 WIDTH 1 DK 41 COL 16 0 INTERVAL TYPE VARIABLE ---------------------- THE INTERVAL TYPE VARIABLE INDICATES WHETHER A GIVEN SET OF OBSERVATIONS (I.E., THOSE WITHIN ANY GIVEN ROW OF THE DATA MATRIX) ARE ANNUAL, QUARTERLY, OR MONTHLY. THIS VARIABLE, MORE THOROUGHLY DESCRIBED IN THE INTRODUCTION, IS CODED 1 FOR ANNUAL DATA, 2 FOR QUARTERLY DATA, AND 3 FOR MONTHLY DATA. IF A VARIABLE WHICH CONTAINS MORE THAN ONE TYPE OF DATA--BOTH ANNUAL AND MONTHLY, FOR EXAMPLE--IS USED IN 1 238 (ICPSR 7644) - (CONTINUED) - ANALYSIS, A FILTERING EXPRESSION USING INTERVAL TYPE WILL USUALLY BE SPECIFIED; ELSE, BOTH TYPES OF DATA WILL BE USED BY THE PROGRAM. ............................................................... 0 VAR 0286 03018 OPE RAT 3R 942-948 MD=-999999 REF 0286 LOC 2535 WIDTH 9 DK 41 COL 17-25 IMP DEC= 1 0 TOTAL OPERATING REVENUES, TELEPHONE COMPANIES --------------------------------------------- NBER SERIES: 03018 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1942-1948 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1942-12/1948 SEASONAL ADJUSTMENT: NONE SOURCE: FEDERAL COMMUNICATIONS COMMISSION, "STATISTICS OF THE COMMUNICATIONS INDUSTRY IN THE UNITED STATES, YEAR ENDED DECEMBER 31, 1951", PUBLISHED 1953; SAME PUBLICATION FOR THE YEAR ENDED DECEMBER 31, 1952, PUBLISHED 1954. NOTES: SERIES 03018 IS PRESENTED HERE AS EIGHT VARIABLES--(1)--ORIGINAL DATA, 1915-1934 (2)--SEASONALLY ADJUSTED DATA, 1915-1934 (3)--ORIGINAL DATA, 1933-1948 (4)--SEASONALLY ADJUSTED, 1933-1948 (5)--ORIGINAL DATA, 1942-1948 (6)--SEASONALLY ADJUSTED, 1942-1948 (7)--ORIGINAL DATA, 1948-1961 (8)--SEASONALLY ADJUSTED, 1948-1961. DATA COVER 100-114 COMPANIES. BEGINNING IN 1942, INTERCOMPANY DUPLICATIONS IN REVENUE FOR THE BELL SYSTEM ARE ELIMINATED. ............................................................... 0 VAR 0287 03018 OPE RAT 3S 942-948 MD=-999999 REF 0287 LOC 2544 WIDTH 9 DK 41 COL 26-34 IMP DEC= 1 0 TOTAL OPERATING REVENUES, TELEPHONE COMPANIES, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03018 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE 1 (ICPSR 7644) 239 - (CONTINUED) - QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1942-12/1948 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY IBM SOURCE: FEDERAL COMMUNICATIONS COMMISSION, "STATISTICS OF THE COMMUNICATIONS INDUSTRY IN THE UNITED STATES, YEAR ENDED DECEMBER 31, 1951", PUBLISHED 1953; SAME PUBLICATION FOR THE YEAR ENDED DECEMBER 31, 1952, PUBLISHED 1954. NOTES: SERIES 03018 IS PRESENTED HERE AS EIGHT VARIABLES--(1)--ORIGINAL DATA, 1915-1934 (2)--SEASONALLY ADJUSTED DATA, 1915-1934 (3)--ORIGINAL DATA, 1933-1948 (4)--SEASONALLY ADJUSTED, 1933-1948 (5)--ORIGINAL DATA, 1942-1948 (6)--SEASONALLY ADJUSTED, 1942-1948 (7)--ORIGINAL DATA, 1948-1961 (8)--SEASONALLY ADJUSTED, 1948-1961. DATA COVER 100-114 COMPANIES. BEGINNING IN 1942, INTERCOMPANY DUPLICATIONS IN REVENUE FOR THE BELL SYSTEM ARE ELIMINATED. THE SEASONAL FACTORS FOR 1948 WERE COMPUTED BY NBER BASED ON 1947 FACTORS OF IBM. ............................................................... 0 VAR 0288 03018 OPE RAT 3R 948-961 MD=-999999 REF 0288 LOC 2553 WIDTH 9 DK 41 COL 35-43 IMP DEC= 1 0 TOTAL OPERATING REVENUES, TELEPHONE COMPANIES --------------------------------------------- NBER SERIES: 03018 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1948-1961 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1948-12/1961 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1948-1952: FEDERAL COMMUNICATIONS COMMISSION, "STATISTICS OF THE COMMUNICATIONS INDUSTRY IN THE UNITED STATES, YEAR ENDED DECEMBER 31, 1951", PUBLISHED 1953; SAME PUBLICATION FOR THE YEAR ENDED DECEMBER 31, 1952, PUBLISHED 1954. DATA FOR 1953-1961: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS; FCC, OPERATIONS DATA FROM MONTHLY REPORTS OF TELEPHONE CARRIERS. NOTES: SERIES 03018 IS PRESENTED HERE AS EIGHT VARIABLES--(1)--ORIGINAL DATA, 1915-1934 (2)--SEASONALLY ADJUSTED DATA, 1915-1934 (3)--ORIGINAL DATA, 1933-1948 (4)--SEASONALLY ADJUSTED, 1933-1948 (5)--ORIGINAL DATA, 1942-1948 (6)--SEASONALLY ADJUSTED, 1942-1948 1 240 (ICPSR 7644) - (CONTINUED) - (7)--ORIGINAL DATA, 1948-1961 (8)--SEASONALLY ADJUSTED, 1948-1961. BEGINNING IN 1948, DATA COVER 54-58 DOMESTIC CARRIERS ACCOUNTING FOR MORE THAN NINETY PERCENT OF REVENUES (SEE SCB, 1953 SUPPLEMENT, P. 247.) BEGINNING IN JANUARY 1954, COVERAGE WAS REDUCED TO 38 TELEPHONE CARRIERS ACCOUNTING FOR OVER NINETY PERCENT OF OPERATING REVENUES (SCB, MAY 1954 AND FCC MONTHLY REPORT.) TWO COMPANIES OPERATING OUTSIDE THE CONTINENTAL UNITED STATES, AND PREVIOUSLY EXCLUDED, WERE NOW ADDED TO THE LIST OF COMPANIES REPORTING MONTHLY TO THE FCC. IN JANUARY 1957, COVERAGE CHANGED TO 43 COMPANIES; TO 42 IN MARCH 1957; TO 44 IN JANUARY 1960. ............................................................... 0 VAR 0289 03018 OPE RAT 3S 948-961 MD=-999999 REF 0289 LOC 2562 WIDTH 9 DK 41 COL 44-52 IMP DEC= 1 0 TOTAL OPERATING REVENUES, TELEPHONE COMPANIES, SEASONALLY ADJUSTED --------------------------------------------------------- NBER SERIES: 03018 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1948-12/1961 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY IBM SOURCE: DATA FOR 1948-1952: FEDERAL COMMUNICATIONS COMMISSION, "STATISTICS OF THE COMMUNICATIONS INDUSTRY IN THE UNITED STATES, YEAR ENDED DECEMBER 31, 1951", PUBLISHED 1953; SAME PUBLICATION FOR THE YEAR ENDED DECEMBER 31, 1952, PUBLISHED 1954. DATA FOR 1953-1961: U.S. DEPARTMENT OF COMMERCE, SURVEY OF CURRENT BUSINESS; FCC, OPERATIONS DATA FROM MONTHLY REPORTS OF TELEPHONE CARRIERS. NOTES: SERIES 03018 IS PRESENTED HERE AS EIGHT VARIABLES--(1)--ORIGINAL DATA, 1915-1934 (2)--SEASONALLY ADJUSTED DATA, 1915-1934 (3)--ORIGINAL DATA, 1933-1948 (4)--SEASONALLY ADJUSTED, 1933-1948 (5)--ORIGINAL DATA, 1942-1948 (6)--SEASONALLY ADJUSTED, 1942-1948 (7)--ORIGINAL DATA, 1948-1961 (8)--SEASONALLY ADJUSTED, 1948-1961. BEGINNING IN 1948, DATA COVER 54-58 DOMESTIC CARRIERS ACCOUNTING FOR MORE THAN NINETY PERCENT OF REVENUES (SEE SCB, 1953 SUPPLEMENT, P. 247.) BEGINNING IN JANUARY 1954, COVERAGE WAS REDUCED TO 38 TELEPHONE CARRIERS ACCOUNTING FOR OVER NINETY PERCENT OF OPERATING REVENUES (SCB, MAY 1954 AND 1 (ICPSR 7644) 241 - (CONTINUED) - FCC MONTHLY REPORT.) TWO COMPANIES OPERATING OUTSIDE THE CONTINENTAL UNITED STATES, AND PREVIOUSLY EXCLUDED, WERE NOW ADDED TO THE LIST OF COMPANIES REPORTING MONTHLY TO THE FCC. IN JANUARY 1957, COVERAGE CHANGED TO 43 COMPANIES; TO 42 IN MARCH 1957; TO 44 IN JANUARY 1960. ............................................................... 0 VAR 0290 03019 RAT RAP 3R 920-942 MD=-999999 REF 0290 LOC 2571 WIDTH 9 DK 41 COL 53-61 IMP DEC= 2 0 TOTAL OPERATING REVENUES, WESTERN UNION AND POSTAL TELEGRAPH COMPANIES ------------------------------------------------------------ NBER SERIES: 03019 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1920-1942 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1942 SEASONAL ADJUSTMENT: NONE SOURCE: DATA FOR 1920-MAY 1934: INTERSTATE COMMERCE COMMISSION FILES. DATA FOR JUNE 1934-1942: FEDERAL COMMUNICATIONS COMMISSION, "OPERATING DATA FROM MONTHLY REPORTS OF TELEGRAPH CARRIERS". NOTES: SERIES 03019 IS PRESENTED HERE AS THREE VARIABLES--(1)--ORIGINAL DATA, 1920-1942 (2)--SEASONALLY ADJUSTED DATA, 1920-1942 (3)--ORIGINAL DATA, 1942-1956. THIS VARIABLE WAS COMPUTED BY NBER BY ADDING WESTERN UNION AND POSTAL TELEGRAPH DATA. THIS VARIABLE ENDS IN 1942, AS A NEW ACCOUNTING CLASSIFICATION WAS INTRODUCED IN 1943 WHICH MAKE THE EARLIER FIGURES NOT COMPARABLE. ............................................................... 0 VAR 0291 03019 RAT RAP 3S 920-942 MD=-999999 REF 0291 LOC 2580 WIDTH 9 DK 41 COL 62-70 IMP DEC= 2 0 TOTAL OPERATING REVENUES, WESTERN UNION AND POSTAL TELEGRAPH COMPANIES, SEASONALLY ADJUSTED ------------------------------------------------------------ NBER SERIES: 03019 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS 1 242 (ICPSR 7644) - (CONTINUED) - ANNUAL COVERAGE: NONE QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1920-12/1942 SEASONAL ADJUSTMENT: SEASONALLY ADJUSTED BY NBER. SOURCE: DATA FOR 1920-MAY 1934: INTERSTATE COMMERCE COMMISSION FILES. DATA FOR JUNE 1934-1942: FEDERAL COMMUNICATIONS COMMISSION, "OPERATING DATA FROM MONTHLY REPORTS OF TELEGRAPH CARRIERS". NOTES: SERIES 03019 IS PRESENTED HERE AS THREE VARIABLES--(1)--ORIGINAL DATA, 1920-1942 (2)--SEASONALLY ADJUSTED DATA, 1920-1942 (3)--ORIGINAL DATA, 1942-1956. THIS VARIABLE WAS COMPUTED BY NBER BY ADDING WESTERN UNION AND POSTAL TELEGRAPH DATA. THIS VARIABLE ENDS IN 1942, AS A NEW ACCOUNTING CLASSIFICATION WAS INTRODUCED IN 1943 WHICH MAKE THE EARLIER FIGURES NOT COMPARABLE. ............................................................... 0 VAR 0292 03019 RAT RAP 3R 942-956 MD=-999999 REF 0292 LOC 2589 WIDTH 9 DK 41 COL 71-79 IMP DEC= 2 0 TOTAL OPERATING REVENUES, WESTERN UNION AND POSTAL TELEGRAPH COMPANIES ------------------------------------------------------------ NBER SERIES: 03019 AREA COVERED: U.S. UNITS: MILLIONS OF DOLLARS ANNUAL COVERAGE: 1942-1955 QUARTERLY COVERAGE: NONE MONTHLY COVERAGE: 01/1942-06/1956 SEASONAL ADJUSTMENT: NONE SOURCE: FEDERAL COMMUNICATIONS COMMISSION, OPERATING DATA FROM MONTHLY REPORTS OF LARGE TELEGRAPH, CABLE AND RADIOTELEGRAPH CARRIERS, EACH HAVING ANNUAL OPERATING REVENUES IN EXCESS OF $250,000. NOTES: SERIES 03019 IS PRESENTED HERE AS THREE VARIABLES--(1)--ORIGINAL DATA, 1920-1942 (2)--SEASONALLY ADJUSTED DATA, 1920-1942 (3)--ORIGINAL DATA, 1942-1956. BEGINNING IN 1943, A NEW ACCOUNTING CLASSIFICATION WAS INTRODUCED MAKING PREVIOUS DATA NOT COMPARABLE WITH THIS VARIABLE. HOWEVER, BACK DATA FOR 1942 ARE GIVEN MONTHLY IN 1943 ISSUES OF THE SOURCE. IT CANNOT BE ESTABLISHED FROM INFORMATION GIVEN IF THESE BACK DATA REPRESENT A NEW SET OF FIGURES OR IF THEY ARE REVISED OLD FIGURES. AS OF OCTOBER 7, 1943, WESTERN UNION TELEGRAPH CO. AND 1 (ICPSR 7644) 243 - (CONTINUED) - POSTAL TELEGRAPH INC. WERE MERGED INTO THE WESTERN UNION TELEGRAPH COMPANY SYSTEM. REVENUE FIGURES FOR 1943, SHOWN IN 1944 MONTHLY ISSUES FOR THE TWO COMPANIES, WERE COMBINED FOR THE ENTIRE YEAR; THERE ARE NO DIFFERENCES BETWEEN THESE FIGURES AND THE SUM OF FIGURES FOR THE SEPARATE COMPANIES AS SHOWN THROUGH OCTOBER 1943 IN MONTHLY SOURCE ISSUES FOR THE YEAR. BEGINNING IN 1946, REVENUES FROM WIRE TRANSMISSIONS AND REVENUES FROM CABLE TRANSMISSIONS ARE SHOWN SEPARATELY; THEY HAVE BEEN ADDED BY NBER. BACK DATA IN 1947, SHOWN FOR THE FIRST TIME IN 1946, WERE COMPARED WITH ORIGINAL TOTALS IN 1946 ISSUES AND THERE WERE NO CHANGES. DATA FOR APRIL AND MAY, 1952 REFLECT A STRIKE LASTING APRIL 3 - MAY 25. DATA FOR 1955-1956 ARE SUBJECT TO REVISION. 1 TERMINATION OF CODEBOOK LIST.