Federal Reserve Bank of St. Louis and Bullard, James. "Living Standards across U.S. Metropolitan Statistical Areas : The Calhoun Lecture Series, Washington University in St. Louis, St. Louis, Mo." in Statements and Speeches of James Bullard (April 13, 2018). https://fraser.stlouisfed.org/title/7161/item/654875, accessed on February 14, 2025.