Intelligence affects social outcomes of groups. A systematic study of the link is provided in an experiment where two … initial cooperation rates are similar, it increases in the groups with higher intelligence to reach almost full cooperation … differences in the response to past cooperation of the partner. In higher intelligence subjects, cooperation after the initial …

We experimentally examine how the incentive to defect in a social dilemma affects conditional cooperation. In our first … conditional cooperation is higher when the own gain from defecting is lower and when the loss imposed on the first mover from … role of social preferences in conditional cooperation …

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 … punished, and increase their subsequent level of cooperation. The outcome is an increased level of contribution that becomes …

beliefs with experience are central to understanding behavior and learning in the IRPD. Beliefs strongly predict cooperation …

and its impact on cooperation of its members are yet not well understood. We experimentally investigate community choice …

In an experiment on the repeated prisoner s dilemma where intended actions are implemented with noise, Fudenberg et al … find support for risk dominance of TFT as a determinant of cooperation. This comment introduces the "Payback" strategy … explain the observed cooperation patterns …

's material payoff structure affects cooperation is incomplete. In this paper we investigate the effect of variation in material … payoffs on cooperation, focussing on one-shot PD games where efficiency requires mutual cooperation. Following Mengel (2018 … defectors and co-operators respectively, while an index of efficiency captures the gains from cooperation. We conduct two …

economics. This paper explores voting on a scheme of intergroup competition which facilitates cooperation in a social dilemma … situation. Experimental results show that the competitive scheme fosters cooperation. Competition is popular but also that the …

quickly if we introduce two relevant features of social life into the experiment: (i) subjects can migrate across groups with … of universal cooperation because the more prosocial subjects populate the two efficient institutions first, elect … prosocial judges (if institutionally possible), and immediately establish a social norm of high cooperation. This norm appears …

BoS, with high and low payoff inequality. In PD, disclosure markedly hampers cooperation, as higher intelligence players …