Repeated interactions provide a prominent but paradoxical hypothesis for human cooperation in one-shot interactions … mechanism reliably supports the evolution of cooperation when actions vary continuously. Ambiguous reciprocity, a strategy … generally ruled out in models of reciprocal altruism, completely undermines cooperation under repeated interactions, which …

goods provision - the quick emergence of a widely accepted social cooperation norm that demands high contributions but - in … consensus as well as the high cooperation demands required by the norm break down. However, when peer punishment is possible … cooperation and welfare - the opportunity to form a social norm unambiguously causes high public good contributions and group …

punished. As a consequence, the existence of an opportunity for costly punishment causes a large increase in cooperation levels … opportunity almost complete cooperation can be achieved and maintained although, under the standard assumptions of rationality and … selfishness, there should be no cooperation at all. We also show that free riding causes strong negative emotions among …

fishermen who exhibit a higher propensity for cooperation in a laboratory public goods experiment, and those who show more …This paper examines the role of other-regarding and time preferences for cooperation in the field. We study the … patience in a laboratory time preference experiment, exploit the fishing grounds less in their daily lives. Moreover, because …

reciprocity-driven voluntary cooperation. This crowding out effect constitutes costs of incentive provision that have been largely …

We study the importance of conditional cooperation in a one-shot public goods game by using a variant of the strategy …