Mitsuyoshi Yanagihara Graduate School of Economics, Nagoya University   Furo-cho, Chikusa-ku Nagoya, Aichi 4648601 Japan   yanagi@soec.nagoya-u.ac.jp             JEL Areas: F4 : Macroeconomic Aspects of International Trade and Finance: General E6 : Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General