We study the effects of voluntary participation on cooperation in collective action problems. Voluntary participation … may foster cooperation through an entry mechanism, which leads to assortative selection of interaction partners, or an … on provision only through the exit mechanism. Assortative selection of interaction partners seems to play a minor role in …

cooperation through two mechanisms: an entry mechanism, which leads to assortative selection of interaction partners, or an exit … evidence of a positive effect of entry. Assortative selection of interaction partners seems to play a minor role in our setting …

We study the effects of voluntary participation on cooperation in collective action problems. Voluntary participation … may foster cooperation through a mechanism of assortative selection of interaction partners based on false consensus bias … minor role in our setting, whereas the threat of non-participation is a powerful force to discipline free-riding. …

We study the effect of group size on cooperation in voluntary contribution mechanism games. As in previous experiments … find that cooperation is highest of all in twoperson groups. The findings in the high MPCR condition are consistent with … those from n-person prisoner's dilemma and oligopoly experiments that suggest it is more difficult to sustain cooperation in …

We study the effect of group size on cooperation in voluntary contribution mechanism games. As in previous experiments … find that cooperation is highest of all in two-person groups. The findings in the high MPCR condition are consistent with … those from n-person prisoner’s dilemma and oligopoly experiments that suggest it is more difficult to sustain cooperation in …

We study the effect of group size on cooperation in voluntary contribution mechanism games. As in previous experiments … find that cooperation is highest of all in two-person groups. The findings in the high MPCR condition are consistent with … those from n-person prisoner’s dilemma and oligopoly experiments that suggest it is more difficult to sustain cooperation …

contributions game experiment. A common identity between the leader and her two followers is beneficial for cooperation: average … study the effects of heterogeneous identities. We find no effect on cooperation when only one of the followers shares the … identity is an effective but fragile instrument to promote cooperation. …

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. …

Previous experiments have found a moderate, positive effect of group size on cooperation in voluntary contribution … results from n-person prisoner’s dilemma and oligopoly experiments where group size has a negative effect on cooperation. In …

We study the effects of voluntary participation on cooperation in collective action problems. Voluntary participation … may foster cooperation through an entry mechanism, which leads to assortative selection of interaction partners, or an … on provision only through the exit mechanism. Assortative selection of interaction partners seems to play a minor role in …