Bopp, Karl R., 1906-1979 and Federal Reserve Bank of Philadelphia "The Role of Monetary and Fiscal Policy in the American Economy." 1963 Advance Management Conference of the Metropolitan Life Insurance Company, Nassau Inn, Princeton, New Jersey, July 22, 1963 an Aug. 26, 1963, https://fraser.stlouisfed.org/title/1013/item/1192, accessed on September 18, 2024.