Kenya Takaku Aichi Shukutoku University   Faculty of Business, Aichi Shukutoku University, 23, Sakuragaoka, Chikusa, Nagoya, 464-8671 Japan   ktakaku@asu.aasa.ac.jp             JEL Areas: F4 : Macroeconomic Aspects of International Trade and Finance: General F3 : International Finance: General