It is well known that communication often serves as a facilitator for cooperation in static games. Yet, communication … investigates cooperation and non-binding communication in a two-stage game. More specifically, two treatments are considered: one …-play communication only has a significant impact on cooperation when no intra-play communication is possible. The results suggest that …

We report on an experiment designed to explore whether and how anger affects future levels of cooperation. Participants … that although anger has a lasting negative effect on cooperation, giving voice to it helps to curtail selfishness. …

This paper experimentally examines how religious festivals and the degree of religiosity affect cooperation and … religious festivals other than the normal daily prayers. The overall results show no differences in cooperation or altruistic … differences in beliefs about others contributions. By and large, this indicates the importance of conditional cooperation. …

, the less likely cooperation will be. …

We study the stability of voluntary cooperation in response to varying group growth rates. Using a laboratory public … cooperation. We then study the effect of exogenously varying growth rates on cooperation. Slow growth yields higher cooperation …-reinforcing beliefs persisting under slower growth. Allowing incumbent group members to select growth rates also sustains high cooperation …