Despite extensive use of bargaining models in economics and despite Becker's insistence on the importance of altruism … in families, the theoretical literature on bargaining ignores altruism and assumes that everyone is an egoist. This paper … shows that incorporating altruism into cooperative bargaining models shrinks the set potential cooperative bargaining …

types can be exploited to enhance cooperation by structuring the twice-played prisoners' dilemma to "start small," so that …

to enforce cooperation within these different regimes. This paper develops a measure of the tightness of historical … readily support in-group members in need. This cooperation regime is enforced by tribalistic moral values, emotions of … social cooperation systems …

paper, we conduct experiments to investigate how punishment affects cooperation in a two-person stochastic prisoner … useful information for designing efficient incentive mechanisms to induce cooperation in a stochastic social dilemma …