We study the interplay between leading-by-example and group identity in a public goods game experiment. A common … 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 …

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 …

games. We use it to measure the effect of inequality on cooperation. This method allows an investigation of a large panel of … inequality. We find that not only the presence, but also the strength of inequality has a negative impact on cooperation, but … cooperation, but has contrasted effects on the contribution gaps between the rich and the poor. There is no significant effect of …