Fitzgerald, Terry J. "Introduction to the Search Theory of Unemployment," in Federal Reserve Bank of Cleveland. "1998 Quarter 3, Vol. 34, No. 3," Economic Review (Federal Reserve Bank of Cleveland) (1998 Quarter 3) : 4-17. https://fraser.stlouisfed.org/title/1328/item/4199/toc/328588 , accessed on April 25, 2024.