and/or communication support altruistic cooperation to sustain the welfare of future generations. Without punishment or … punishment with communication strongly increases cooperation, showing that an effective decentralized solution to a Game of …We characterize 'Games of Altruistic Cooperation' as a class of games in which cooperation leaves the individual and …

cooperative behavior include assortative matching in groups, group longevity, and punishment-based group norms. …

This paper reports an experiment which compares behaviour in two punishment regimes: (i) a standard public goods game … with punishment in which subjects are given the opportunity to punish other group members (democratic punishment regime … punishment regime). We employ a within-subjects design where subjects experience both environments and control for order effects …

cooperation and strategies, such as punishment and gossip, to promote cooperation in social dilemmas. In two studies involving … cooperation or the use of punishment and gossip to promote cooperation. We discuss the implications of these findings for …Previous research on cooperation has primarily focused on egalitarian interactions, overlooking a fundamental feature …

of the social norm and two parameters measuring the cost of cooperation into relation with each other. …The article suggests a new explanation for cooperation in large, unstructured societies that avoids the restrictions … for cooperation to be part of an asymptotically stable equilibrium of an evolutionary dynamics of signaling norm …