Rocheteau, Guillaume. "Money, Financial Markets, and Monetary Policy : Monetary Aggregates," in Federal Reserve Bank of Cleveland. "Economic Trends - February 2007," Economic Trends (Federal Reserve Bank of Cleveland) (February 2007) : 9-12. https://fraser.stlouisfed.org/title/3952/item/493040/toc/504901 , accessed on March 28, 2023.