We experimentally test the social motives behind individual participation in intergroup conflict by manipulating the … framing and symmetry of conflict. We find that behavior in conflict depends on whether one is harmed by actions perpetrated by … to do what is good for the group and contribute to the conflict. On the other hand, if people perceive to be personally …

opportunity for profitable cooperation. Our experimental method creates two groups of subjects who are similar but have different … intelligence has a large and positive long-run effect on cooperative behavior when there is a conflict between short-run gains and … long-run losses. Initially similar, cooperation rates for groups with different intelligence levels diverge, declining in …

cooperation in a subsequent social dilemma game. The issues we study are part of the broader topic of whether there are behavioral … cooperation for pairs of market-winners, market-losers and mixed pairs and study both the cases where interaction in the social … experience has adverse effects on the efficiency of cooperation on both market-winner and market-loser pairs. In market …

We study the coevolution of cooperation, preferences and cooperative signals in an environment where individuals engage …

In this work, we explore the role of learning dynamics and social norms in human cooperation on networks. We study the …-positioned at each game iteration. Our results show that the network structure does not affect the dynamics of cooperation, which …

Evolution of cooperation by reciprocity has been studied using two-player and n-player repeated prisoner’s dilemma … cooperation when less generous, and better at maintaining a long-term cooperation in the presence of rare defectors when more …

factors that are known to affect cooperation levels, and in so doing replicate and extend previous empirical research on …