In an experiment, a group of strangers was randomly divided in pairs to play a prisoners' dilemma; this process was … indefinitely repeated. Cooperation did not increase when subjects could send public messages amounting to binding promises of …

material payoff. Cooperative behavior when non-cooperation is a dominant strategy (with respect to the material payoffs) is … particularly puzzling. Here we propose a novel approach to explain cooperation, assuming what Halpern and Pass (2013) call …

during the early stages of matches is typically superseded by non-cooperation during the latter stages. The propensity for …

Case studies of cartels and recent theory suggest that repeated communication is key for stable cooperation in … understood. We study cooperation under different monitoring and communication structures in the laboratory. Under all monitoring … environments where signals about others' actions are noisy. However, empirically the exact role of communication is not well …

experiment on the elicitation of social norms (Krupka and Weber, 2013), we compare the proposed mechanism with conventional …

Communication has been regarded as one of the most effective devices in promoting team cooperation. But asymmetric … excluding one member from team communication hurts team cooperation: the communicating partners collude in profit allocation … communication sometimes breeds collusion and is detrimental to team efficiency. Here, we present experimental evidence showing that …

In this work, we explore the role of learning dynamics and social norms in human cooperation on networks. We study the … balance between the choice that returns higher payoffs with the choice in agreement with social norms. In our experiment …-positioned at each game iteration. Our results show that the network structure does not affect the dynamics of cooperation, which …