Hayes, Alfred. "Inflation in a Sluggish Economy — Trouble for Monetary Policy," in Federal Reserve Bank of New York. Research and Statistics Group. "January 1971, Vol. 53, No. 1," Economic Policy Review (Federal Reserve Bank of New York) (January 1971) : 3-6. https://fraser.stlouisfed.org/title/1170/item/3031/toc/256437 , accessed on April 25, 2024.