Federal Reserve Bank of Chicago. Research Department and Federal Reserve Bank of Chicago. "Metropolitan Areas Spread Out, No. 83," Chicago Fed Letter (July 1994). https://fraser.stlouisfed.org/title/5287/item/535817, accessed on May 4, 2024.
Federal Reserve Bank of Chicago. Research Department and Federal Reserve Bank of Chicago. "Metropolitan Areas Spread Out, No. 83," Chicago Fed Letter (July 1994). https://fraser.stlouisfed.org/title/5287/item/535817, accessed on May 4, 2024.