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 … to guide subjects’ cooperation and punishment choices, including the virtually complete removal of antisocial punishment …

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 … to guide subjects' cooperation and punishment choices, including the virtually complete removal of antisocial punishment …

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 …

We test if cooperation is promoted by rank-order competition between groups in which all groups can be ranked first, i … are absent if groups perform at the same level and it therefore does not eliminate low-cooperation equilibria. We find … that all-can-win competition produces a universal increase in cooperation and benefits a majority of individuals if …

The provision of public goods often relies on voluntary contributions and cooperation. While most of the experimental …

cooperation through two mechanisms: an entry mechanism, which leads to assortative selection of interaction partners, or an exit …

others' contributions, we find a strong norm of conditional cooperation whereby people find it socially appropriate to match …

While inequality in resource endowments has been shown to affect cooperation levels in groups, much of this evidence … payoff-irrelevant inequality in resources between groups on cooperation within equal groups. When all groups are poor or rich …

We experimentally investigate cooperation in privileged groups which according to Olson (1965) are groups in which at … opportunities, heterogeneity crucially affects cooperation and coordination within groups. Compared to non-privileged groups …

identity between the leader and her followers is beneficial for cooperation: average contributions are more than 30% higher … identities. We find no effect on cooperation when only part of the followers share the leader's identity, or when followers share … instrument to promote cooperation. …