pillar is internalised norms of cooperation, sustained by emotions such as guilt and shame. The second pillar is the … motivation can sustain cooperation if enough people cooperate but can jeopardise social order if many others follow selfish …

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 … the effectiveness of these mechanisms in a one-shot public goods experiment. Voluntary participation has a positive effect …

interaction between the observability of the cooperation of others and the absence of punishment targeted at cooperative …

cooperation through two mechanisms: an entry mechanism, which leads to assortative selection of interaction partners, or an exit … examine the relative effectiveness of these two mechanisms in a one-shot, two-person public goods game experiment. We find …

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 … the effectiveness of these mechanisms in a one-shot public goods experiment. Voluntary participation has a positive effect …

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 interplay between leading-by-example and group identity in a public goods game experiment. A common … 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 …

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

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