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 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 …

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 …

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 …

Does self-governance, a hallmark of democratic societies, foster or erode norms of generalized cooperation? Does this …-governing municipalities exhibit stronger norms of cooperation today. Referenda data on voter-turnout, women's suffrage, and minority …. Furthermore, norms of cooperation map into prosocial behaviors like charitable giving and environmental protection. Uniquely …

Explicit and implicit incentives and opportunities for mutually beneficial voluntary cooperation co-exist in many … crowding out of voluntary cooperation even after incentives have been abolished. This crowding out occurs also in repeated … voluntary cooperation while exposed to incentives. Overall, our findings show that the behavioral consequences of explicit …

-social 'types'. Moreover, we find that cooperation and reciprocity rates drop substantially after subjects have been exposed to rent …