sanctioning institutions are in place. -- emotions ; sanctions ; cooperation ; experiment ; skin conductance responses …We use skin conductance responses and self-reports of hedonic valence to study the emotional basis of cooperation and …. The application of sanctions activates a "virtuous emotional circle" that accompanies cooperation. Emotionally aroused …

disclosure does help strengthen cooperation in a random-matching environment, such disclosure does not have effects if it … enhance cooperation in finitely repeated environments. But, do people cooperate with randomly-matched peers by voluntarily …

Exploiting a natural experiment and an innovative survey design, we study the social and political legacies of armed …

Belief models capable of detecting 2- to 5-period patterns in repeated games by matching the current historical context …

's material payoff structure affects cooperation is incomplete. In this paper we investigate the effect of variation in material … payoffs on cooperation, focusing on one-shot PD games where efficiency requires mutual cooperation. We report results from … three experiments (N = 1,993): in a preliminary experiment, we vary the payoffs over a large range. In our first main …

We investigate how group boundaries, and the economic environment surrounding groups, affect altruistic cooperation and … harm those who defect, encouraging a norm of cooperation towards the group. Adding competition between groups causes even … stronger in-group cooperation, but also a qualitative change in punishment: punishment becomes anti-social, harming cooperative …

This paper introduces a two-sided methodological framework for studies on cooperation based on a new game design … decision problem. Decision makers can choose an individual level of cooperation from a given range of possible actions. Within … applying our framework. Palestinians show a substantially higher cooperation level in the positive externality treatment. In …

measurement device for cooperation that can be easily understood by children. There is some evidence of more cooperation in Sweden …. Girls are in general more cooperative with boys than with girls. Relating cooperation to competitiveness, this appears to be …

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. …

and impact of norms with regard to coordination and cooperation. However, the issue of norm-related conflict deserves more … attention. We develop a general theory of "normative conflict" by differentiating between two different kinds of conflict. The … in an experiment that applies the "strategy method" to the ultimatum game. Our data reveal normative conflict among …