encourage cooperation may actually hurt morale, by convincing opportunistic team members to imitate and later take advantage of …This paper studies how morale in teams can break down. It interprets high morale as team members working together … productively, either because of a sense of fairness or because of implicit incentives from repeated interactions. Team members …

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 …