-Stay-Lose-Shift, are not prevalent. We also find that the strategies used to support cooperation change with the parameters of the game …

can promote cooperation through a combination of sorting and opportunistic signaling, with late period defections by … remains unclear. In each of six treatments that vary the cooperation premium and the informational basis for reputation …, that with a high cooperation premium and good information, investment in reputation grows across sets of finitely …

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. …