The launch of a public project requires support from enough members of a group. Members (players) are differently important for the project and have different cost/benefit relations. There are players who profit and players who suffer from the launch of the project. Examples are the Kyoto...

The launch of a public project requires “enough” support from a group of n players. If players have only binary decision sets (participate or not, vote approvingly or not) this game is called a Binary Threshold Public Goods game (BTPG). In this paper we keep the individual cost/benefit...