DATAFILE: KLEIN VARIABLES AND DEFINITIONS: A YEAR, BEGINNING WITH 1920 AND ENDING WITH 1941 C CONSUMPTION, MEASURED IN BILLIONS OF 1934 DOLLARS P PROFITS, BILLIONS OF 1934 DOLLARS WP PRIVATE SECTOR WAGES, BILLIONS OF 1934 DOLLARS I NET INVESTMENT, BILLIONS OF 1934 DOLLARS KLAG END-OF-YEAR CAPITAL STOCK LAGGED ONE YEAR, BILLIONS OF 1934 DOLLARS X PRIVATE PRODUCT (GNP PLUS INDIRECT TAXES MINUS GOVERNMENT WAGE BILL), BILLIONS OF 1934 DOLLARS WG GOVERNMENT WAGE BILL, BILLIONS OF 1934 DOLLARS G GOVERNMENT EXPENDITURES (INCLUDES GOVERNMENT WAGE BILL), BILLIONS OF 1934 DOLLARS T INDIRECT TAXES, BILLIONS OF 1934 DOLLARS TIME PERIOD: 1920-41, ANNUAL NUMBER OF OBSERVATIONS: 22 SOURCE: HENRI THEIL, PRINCIPLES OF ECONOMETRICS, NEW YORK: JOHN WILEY & SONS, TABLE 9.1, PAGE 456. ORIGINAL SOURCE IS LAWRENCE R. KLEIN, ECONOMIC FLUCTUATIONS IN THE UNITED STATES, 1921-1941, NEW YORK: JOHN WILEY & SONS, INC., 1950, P. 135. NOTE: TO ENSURE THAT IDENTITIES HOLD, THE G VARIABLE HERE IS DEFINED AS THEIL'S G VARIABLE PLUS GOVERNMENT WAGE BILL.