It is shown that a win-stay, lose-hift behavior rule with endogenous aspiration levels yields cooperation in a certain … prisoner's dilemma and Cournot oligopoly and thus yields an explanation for cooperation and collusion. …

Case studies of cartels and recent theory suggest that repeated communication is key for stable cooperation in … understood. We study cooperation under different monitoring and communication structures in the laboratory. Under all monitoring … monitoring, where actions can only be observed with noise, cooperation is stable only when subjects can communicate before every …

analyze LLM responses to different payoff stakes and the influence of stake order on cooperation rates. LLMs demonstrate …

Existing research supports two opposing mechanisms through which positive mood might affect cooperation. Some studies … have suggested that positive mood produces more altruistic, open and helpful behavior, fostering cooperation. However … reduced use of information, hampering cooperation. We find evidence that suggests the second hypothesis dominates when playing …

externality. A within-subjects measure of reticence to impose harm does not explain cooperation. But the externality makes … participants more pessimistic. However conditional on their beliefs participants are more, not less cooperative if cooperation …

cooperation in the presence of "multi-directedness," whereby people's preferences depend on their psychological motives. People …

cooperation in the presence of "multi-directedness," whereby people's preferences depend on their psychological motives. People …

cooperation in the presence of "multi-directedness", whereby people's preferences depend on their psychological motives. People …

This paper experimentally examines how religious festivals and the degree of religiosity affect cooperation and … religious festivals other than the normal daily prayers. The overall results show no differences in cooperation or altruistic … differences in beliefs about others contributions. By and large, this indicates the importance of conditional cooperation …