Federal Reserve Bank of St. Louis and Francis, Darryl R. "The Use of Functional Cost Data in Market Analysis." Speech to Functional Cost Cooperators at Evansville, Indiana, September 16, Marion, Illinois, September 17, and the Federal Reserve Bank of St. Louis, September 18, September 16, 1969, https://fraser.stlouisfed.org/title/481/item/18589, accessed on December 13, 2024.