Hartley, Daniel A. "Labor Markets, Unemployment, and Wages : Growing Cities, Shrinking Cities," in Federal Reserve Bank of Cleveland. "Economic Trends - April 2011," Economic Trends (Federal Reserve Bank of Cleveland) (April 2011) : 27-30. https://fraser.stlouisfed.org/title/3952/item/493091/toc/505421 , accessed on April 23, 2024.