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 …

cooperation through two mechanisms: an entry mechanism, which leads to assortative selection of interaction partners, or an exit …

cooperation), especially for Partners. These results suggest Take framing and Individual-level feedback increase the variability … of cooperation. …

key to the quick emergence of an efficient culture of universal cooperation because the more prosocial subjects populate … social norm of high cooperation. This norm appears to guide subjects' cooperation and punishment choices, including the …

of universal cooperation because the more prosocial subjects populate the two efficient institutions first, elect … prosocial judges (if institutionally possible), and immediately establish a social norm of high cooperation. This norm appears … to guide subjects' cooperation and punishment choices, including the virtually complete removal of antisocial punishment …

of universal cooperation because the more prosocial subjects populate the two efficient institutions first, elect … prosocial judges (if institutionally possible), and immediately establish a social norm of high cooperation. This norm appears … to guide subjects' cooperation and punishment choices, including the virtually complete removal of antisocial punishment …

A growing experimental literature studies the endogenous choice of institutions to solve cooperation problems arising … of institutional choice. Almost all institutions improve cooperation if they are implemented, but they are not always … identified as important determinants of institutional choice. Cooperation tends to be higher under endogenously chosen …

A growing experimental literature studies the endogenous choice of institutions to solve cooperation problems arising … of institutional choice. Almost all institutions improve cooperation if they are implemented, but they are not always … identified as important determinants of institutional choice. Cooperation tends to be higher under endogenously chosen …

identity between the leader and her followers is beneficial for cooperation: average contributions are more than 30% higher … identities. We find no effect on cooperation when only part of the followers share the leader's identity, or when followers share … instrument to promote cooperation. …