Federal Reserve Bank of Chicago. "September/October 1988, Volume XII, Issue 5," Economic Perspectives (Federal Reserve Bank of Chicago) (September/October 1988). https://fraser.stlouisfed.org/title/5288/item/552463, accessed on May 17, 2022.
Federal Reserve Bank of Chicago. "September/October 1988, Volume XII, Issue 5," Economic Perspectives (Federal Reserve Bank of Chicago) (September/October 1988). https://fraser.stlouisfed.org/title/5288/item/552463, accessed on May 17, 2022.