Wolman, Alexander L. "Relative Price Changes and the Optimal Inflation Rate," in Federal Reserve Bank of Richmond. "Third Quarter 2015, Vol. 101, No. 3," Economic Quarterly (Federal Reserve Bank of Richmond) (Third Quarter 2015) : 52-81. https://fraser.stlouisfed.org/title/960/item/531439/toc/518176 , accessed on July 4, 2022.