Ryusuke Shinohara Faculty of Economics, Shinshu University   Faculty of Economics Shinshu University 3-1-1, Asahi Matsumoto, Nagano, 390-8621 JAPAN   rusyukes@d7.dion.ne.jp             JEL Areas: H4 : Publicly Provided Goods: General C7 : Game Theory and Bargaining Theory:General