Federal Reserve Bank of Chicago. "Annual Index," in Federal Reserve Bank of Chicago. "Third Quarter and Fourth Quarter 2010, Volume XXXIV, Issues 3 and 4," Economic Perspectives (Federal Reserve Bank of Chicago) (Third Quarter 2010) : 70-70. https://fraser.stlouisfed.org/title/5288/item/579042/toc/526296 , accessed on March 29, 2024.