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 …

voluntary cooperation in team production. Our experimental data suggest an indirect and gender-specific link: Overconfident men …

-Stay-Lose-Shift, are not prevalent. We also find that the strategies used to support cooperation change with the parameters of the game …. Zudem stellt sich heraus, dass die Strategien, die Kooperation unterstützen sollen, sich mit den Parametern des Spiels …

whether the prospect of losses can induce cooperation, we let experimental subjects play the traveler's dilemma in the gain …

taxation. In addition, we find that local social interaction among subgroups of participants also boosts cooperation. …