Hsiao-chien Tsui Department of Economics, Chung-Cheng University,Taiwan   168,University Rd., Min-Hsiung, Chia-Yi 62102, Taiwan, R.O.C Chiayi, Taiwan   ECDHCT@ccu.edu.tw             JEL Areas: A1 : General Economics: General. C7 : Game Theory and Bargaining Theory:General