factors that are known to affect cooperation levels, and in so doing replicate and extend previous empirical research on … individual level using multiple methods, and at multiple times during the experiment. With this rich set of predictor variables …

We study the coevolution of cooperation, preferences, and cooperative signals in an environment where individuals … in (social norms of) cooperation in societies which are not driven by social or environmental shocks. …

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 … the effectiveness of these mechanisms in a one-shot public goods experiment. Voluntary participation has a positive effect …

We study the effects of voluntary participation on cooperation in collective action problems. Voluntary participation … may foster cooperation through a mechanism of assortative selection of interaction partners based on false consensus bias … the effectiveness of these mechanisms in a one-shot public goods experiment. Voluntary participation has a positive effect …