This paper studies how competition between groups affects cooperation. In the control condition, pairs of subjects play …, cooperation increases by 16 percentage points. Strategies estimation shows a shift from selfish strategies (Always Defect) to …

a considerable extent. However, cooperation and ‘good’ implementation only coincide under certain conditions. If the … collaborative endeavours are explicitly designed to lead to implementation of a specific and demanding task, cooperation is …, however, perform better than others. Thus, I argue that theories should be developed and tested to indicate when cooperation …

We present results from a novel experiment on the effect of a policy designed to encourage cooperation in a prisoner …'s dilemma game. We find that the effect of this policy on the level of cooperation is greater when it was chosen democratically …

higher the levels of cooperation. We compare the behavior from these in finitely repeated games with behavior from finitely … repeated games of the same expected length and we find that there is more cooperation in the in finitely repeated games …

We study how the willingness to enter long-term bilateral relationships affects cooperation even when parties have … little information about each other, ex ante, and cooperation is otherwise unenforceable. We experimentally investigate a … research, longer interactions facilitate cooperation. However, many individuals avoid long-term commitment, with uncooperative …