Yong-gook Jung Wayne State University   Department of Economics 656 W. Kirby St. Detroit, MI 48202 U.S.A.   yonggook.jung@wayne.edu             JEL Areas: E2 : Macroeconomics: Consumption, Saving, Production, Employment, and Investment: General (includes Measurement and Data) E3 : Prices, Business Fluctuations, and Cycles: General (includes Measurement and Data)