This paper presents a formal theory of reciprocity. Reciprocity means that people reward kind actions and punish unkind …

The article suggests a new explanation for cooperation in large, unstructured societies that avoids the restrictions … for cooperation to be part of an asymptotically stable equilibrium of an evolutionary dynamics of signaling norm … internalization, behavior and norm adoption. These conditions put the signaling costs of norm-adopters and non-adopters, the strength …

formation, the maintenance and the decay of social norms. In particular, our knowledge about how norms affect behavior and how … 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 …

available appropriation behavior is more efficient. Our analysis shows that these regularities arise naturally when a fraction …

.g., legislators) are induced to display reciprocal and pro-social behavior. However, the question of how a voting mechanism can be … designed to incentivize ``selfish" individuals to display such behavior remains unresolved. We propose such a mechanism and … equilibrium concept--the reciprocity set--that satisfies all of the aforementioned properties under mild conditions, and it is …

-societal differences in voluntary cooperation. Using one-shot public goods experiments in four comparable subject pools from the US and the … cooperation is lower in Morocco and Turkey than in the UK and the US. Using the ABC approach - in which cooperative attitudes and … beliefs explain cooperation - we show that cooperation is mostly driven by differences in beliefs rather than cooperative …

cooperation. We deploy our framework in one-shot public goods experiments in the US and the UK, and in Morocco and Turkey. We find … that cooperation is higher in the US and UK than in Morocco and Turkey. Our framework shows that this result is driven … four subject pools. Our results highlight the central role of beliefs in explaining differences in voluntary cooperation …

cooperation on structured populations where the distribution of public goods is driven by the reproductive success of individuals …. Phase diagrams reveal that cooperation is promoted irrespective of the uncertainty by strategy adoptions and the type of … persistence of maladaptive behavior …

conditional strategies. Inspired by this, we study the evolution of cooperation in the spatial public goods game, where besides … withhold their contribution otherwise. Depending on the number of other cooperators that are required to elicit cooperation of … promotion of cooperation is due primarily to the spontaneous emergence of quarantining of defectors, which become surrounded by …

Several economists have maintained that social and internalized norms can enforce cooperation in public good situations …. This experimental study investigates impacts of social and internalized norms for cooperation among strangers in a public … norms for cooperation. Both treatment effects increase voluntary contributions significantly. These results suggest two …