Chien-Fu Chen Department of Economics, National Dong Hwa University   1, Sec. 2, Da Hsueh Road, Shoufeng, Hualien 974, Taiwan Hualien, 974 Taiwan   cfc@mail.ndhu.edu.tw             JEL Areas: E3 : Prices, Business Fluctuations, and Cycles: General (includes Measurement and Data) F3 : International Finance: General