opportunity for profitable cooperation. Our experimental method creates two groups of subjects who are similar but have different … long-run losses. Initially similar, cooperation rates for groups with different intelligence levels diverge, declining in … groups of lower intelligence, and increasing to reach almost full cooperation levels in groups of higher intelligence …

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 …

mediated by differences in cognitive skills. Our design uses a Repeated Prisoner’s Dilemma, and we compare rates of cooperation … higher cooperation rates and profits than in separated groups (with consistent gains among lower IQ subjects and relatively …

cooperation systems that differ both in their level of in-group favoritism and in the tools that they employ to enforce … cooperation regimes. This paper uses an anthropological measure of the tightness of historical kinship systems to study the … structure of cooperation patterns and enforcement devices across historical ethnicities, contemporary countries, ethnicities …

of universal cooperation because the more prosocial subjects populate the two efficient institutions first, elect … prosocial judges (if institutionally possible), and immediately establish a social norm of high cooperation. This norm appears … to guide subjects' cooperation and punishment choices, including the virtually complete removal of antisocial punishment …

theory, while sociological theories of social ties and intergroup comparisons suggest that bilateral cooperation can be … implemented by letting subjects make a positive contribution to a public good if they choose to defect from cooperation, i ….e. cooperation is collusive since the gains are at the expense of the public. We find that this negative externality increases …

A large-scale economic experiment, conducted on a representative sample of the US population, shows that cooperation … show that the effect of cooperation is strongly associated with political affiliation, with Democrats attaching … significantly more importance to cooperation as a source of moral obligation than Republicans. Our findings shed light on the …