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 …

In this paper we show experimentally that conditional cooperation, a phenomenon described in the private provision of … determines if they overcome a rival group. This environment allows us to identify new determinants of conditional cooperation. We … observe conditional cooperation in successful groups and in groups where members contribute more than rivals (even if they …