Hiroshi Gunji Tokyo International University   1-31-1 Matoba-kita Kawagoe, Saitama 350-1197 Japan   hgunji@mt.tama.hosei.ac.jp   http://www2s.biglobe.ne.jp/~brahms/gunji/           JEL Areas: F3 : International Finance: General E0 : Macroeconomics and Monetary Economics: General