The study of Interindustry Relations for 1947 is a comprehensive analysis of the transactions relationships among the separate industries of the United States in that yea1; • For purposes of this study, the United States economy was subdivided into about 500 separate sectors or activities, the majority of which correspond with conventional industry classifications. A detailed statistical analysis was carried out for each sector of the purchases from and sales to all sectors in 1947, and the results were reconciled within a general framework of national production and. consumption data.
United States Department of Labor, Bureau of Labor Statistics, "Industry Reports: MANUFACTURING METHODOLOGY The 1947 Interindustry Relations Study" (1953). Accounts and Data. 5.