Federal Reserve Bank of St. Louis and Bullard, James. "Optimal Macroeconomic Policies in a Heterogeneous World : Landing Page : Presented at the BSE Summer Forum, Expectations in Dynamic Macroeconomic Models, Barcelona, Spain" in Statements and Speeches of James Bullard (June 20, 2023). https://fraser.stlouisfed.org/title/7161/item/654970/content/pdf/bullard_20230620_landingpage, accessed on May 10, 2026.