We investigate whether there is a link between conditional cooperation and betrayal aversion. We use a public goods …

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 …

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

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 …

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. …

to work in teams. We find that such policies in form of gender quotas do not harm performance and cooperation within …

gender quotas do not harm performance and cooperation within teams, and do not weaken people's willingness to work in teams …

and rural participants of young and mature age cohorts. Russia is interesting for studying voluntary cooperation because … cooperation-enhancing effect of punishment. An important reason is that there is punishment of contributors in all four subject … cooperation that are sustained by sanctioning free riders only. -- social norms ; free riding ; misdirected punishment …

-world settings. We show that the decline of cooperation is driven by individual preferences for imperfect conditional cooperation … or people's heterogeneity in preferences makes voluntary cooperation fragile. Universal free riding thus eventually … cooperation ; free riding …