Erev, Ido; Rapoport, Amnon - In: Journal of Conflict Resolution 34 (1990) 3, pp. 401-425
Groups of five players participated in a social dilemma game in which each player receives a monetary endowment and then chooses whether to contribute it to a monetary public good. The good is provided to all group members if at least three contributions are made; it is not provided, otherwise....