Council of Economic Advisers (U.S.) , United States. Congress. Joint Committee on the Economic Report, 1946-1956 and United States. Congress. Joint Economic Committee, 1956-. "Productivity and Related Data, Business Sector," in Council of Economic Advisers (U.S.) , United States. Congress. Joint Committee on the Economic Report, 1946-1956 and United States. Congress. Joint Economic Committee, 1956-. "August 2008," Economic Indicators (August 2008) : 18-18. https://fraser.stlouisfed.org/title/1/item/604/toc/371909 , accessed on March 19, 2024.