First Author:   Takuji Kinkyo Graduate School of Economics, Kobe University kinkyo@econ.kobe-u.ac.jp   2-1, Rokkodai, Nada-ku Kobe, 657-8501, Japan   81-78-803-6828(Phone) 81-78-803-6828(Fax) http://www.econ.kobe-u.ac.jp/www-old/english/staff/comparative/kinkyo.html