a punishment regime, in which certain individuals are permitted, but not required, to have punishment directed toward … them. The punishment system can condition on type and contribution history. The results indicate that the most effective … regime, in terms of contributions and earnings, is one that allows punishment of low contributors only, regardless of …

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 …

international cooperation. Our game-theoretical model of asymmetric countries allows for a rigorous analysis of the strategic …

Social interactions predominantly take place under the shadow of the future. Previous literature explains cooperation … paper provides a causal test of the importance of social preferences for cooperation, varying the composition of …-registered experiments (N = 1,074), we show that groups of prosocial individuals achieve substantially higher levels of cooperation. The …

artificial intelligence may or may not be cooperative. We study the deter-minants and forms of algorithmic cooperation in the … prisoner's dilemma games played by humans in the lab. We find that the same factors that increase human cooperation largely … also determine the cooperation rates of algorithms. However, algorithms tend to play different strategies than humans …

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 …

hampers cooperation, as higher intelligence players are less cooperative once they are made aware that they play against …

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 …