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 …

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

This paper demonstrates that cooperation in international environmental negotiations can be explained by preferences … standard non-cooperative equilibrium, cooperation of a large fraction or even of all countries can establish a Nash equilibrium … full cooperation can be reached. …

We study the coevolution of cooperation, preferences and cooperative signals in an environment where individuals engage …

opportunity for profitable cooperation. Our experimental method creates two groups of subjects who are similar but have different … long-run losses. Initially similar, cooperation rates for groups with different intelligence levels diverge, declining in … groups of lower intelligence, and increasing to reach almost full cooperation levels in groups of higher intelligence …

We use experimental methods to investigate whether pledges of commitment can improve cooperation in endogenously … findings show that pledges of commitment alone can increase cooperation and welfare in committed partnerships. The introduction … partnerships fall solely on the individual choosing to break up, pledges of commitment fail to improve cooperation and welfare. …

dual-processing and the origins of human cooperation. …

Heuristics Hypothesis (SHH) proposes that fast instinctive decision making promotes cooperation in social dilemmas. In this paper …, we conduct a novel time-pressure experiment to shed light on the cognitive underpinnings of cooperation. Although we find … finding that fast and intuitive decision making promotes cooperation. Given payoff comprehension, the SHH predicts behavior …

interaction between the observability of the cooperation of others and the absence of punishment targeted at cooperative …