Federal Reserve Bank of St. Louis and Bullard, James. "Optimal Macroeconomic Policies in a Heterogeneous World : Landing Page : 2023 IJCB Conference, International Journal of Central Banking and Central Bank of Ireland, Dublin, Ireland" in Statements and Speeches of James Bullard (June 23, 2023). https://fraser.stlouisfed.org/title/7161/item/654971/content/pdf/bullard_20230623_landingpage, accessed on May 11, 2026.