We use skin conductance responses and self-reports of hedonic valence to study the emotional basis of cooperation and … punishment in a social dilemma. Emotional reaction to free-riding incites individuals to apply sanctions when they are available …. The application of sanctions activates a "virtuous emotional circle" that accompanies cooperation. Emotionally aroused …

punished. As a consequence, the existence of an opportunity for costly punishment causes a large increase in cooperation levels …This paper provides evidence that free riders are heavily punished even if punishment is costly and does not provide … because potential free riders face a credible threat. We show, in particular, that in the presence of a costly punishment …

This paper investigates how punishment promotes cooperation when the punishment enforcer is independent of its proposer …, cooperation is lower when the enforcement of punishment requires approval from an independent third party. Our data show that the … promoting cooperation when antisocial punishment proposals are rare. …

This paper investigates how punishment promotes cooperation when the punishment enforcer is a third party independent … of the implicated parties who propose the punishment. In a prisoner's dilemma experiment, we find an independent third … party vetoes not only punishment to the cooperators but punishment to the defectors as well. Compared with the case when the …

cooperation, coordination, and punishment in a variety of games. The model is consistent with abundant experimental evidence that …

anger, ‘social’ emotions like shame and guilt need to be present for punishment to be an effective deterrent of …

anger, ‘social’ emotions like shame and guilt need to be present for punishment to be an effective deterrent of …

alternative punishment networks. Our results show that the structure of punishment network significantly affects allocations to … the public good. In addition, we observe that network configurations are more important than punishment capacities for the … of anti-social punishment. …

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 …

contribution rules related to efficiency, equality, and equity. In the experiment, in the absence of punishment no positive … contribution norm is observed and all groups converge towards free-riding. With punishment, strong and stable differences in …