Koki Kyo Osaka University of Economics and Law   6-10 Gakuonji Yao-shi, Osaka 581-8511 Japan   koukikyo0@gmail.com             JEL Areas: C4 : Econometric and Statistical Methods: Special Topics E2 : Macroeconomics: Consumption, Saving, Production, Employment, and Investment: General (includes Measurement and Data)