conditionally cooperative preferences. Cooperation generated by this type of preferences is notoriously unstable, as individuals …-shared conclusion that cooperation observed in experiments (and its collapse) is mostly driven by imperfect reciprocity. In this study … fraction of reciprocally cooperative subjects become selfish in the course of the experiment, while the reverse is rarely …

conditionally cooperative preferences. Cooperation generated by this type of preferences is notoriously unstable, as individuals …-shared conclusion that cooperation observed in experiments (and its collapse)is mostly driven by imperfect reciprocity. In this study … fraction of reciprocally cooperative subjects become selfish in the course of the experiment, while the reverse is rarely …

Repeated interactions provide a prominent but paradoxical hypothesis for human cooperation in one-shot interactions … mechanism reliably supports the evolution of cooperation when actions vary continuously. Ambiguous reciprocity, a strategy … generally ruled out in models of reciprocal altruism, completely undermines cooperation under repeated interactions, which …