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

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

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

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 … mechanism ; cooperation ; group size …

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

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

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