Atsushi Kajii KIER, Kyoto University   KIER Kyoto University Yoshida Honmachi, Sakyo-ku Kyoto, Kyoto 606-8501 Japan   kajii@kier.kyoto-u.ac.jp   http://www.kier.kyoto-u.ac.jp/~kajii/index_e.html   Biographical Sketch: Ph. D. in economics (Harvard), 1991 B.A. in economics (Hitotsubashi) 1986       JEL Areas: D5 : General Equilibrium and Disequilibrium: General C7 : Game Theory and Bargaining Theory:General