We analyze the effects of reciprocity on the performance of a two-player team working in a venture. The players … reciprocity). However, over time, the chance to change direction (switch projects) unexpectedly arises, creating conflict between …, and may lead to retaliation (negative reciprocity). Positive and negative reciprocity may combine to prevent project …

Previous research has highlighted the importance of strong heterogeneity for the successful evolution of cooperation in … interactions. We therefore study the evolution of cooperation in the public goods game on the square lattice, the triangular … that uniformly distributed public goods are more successful in maintaining high levels of cooperation than exponentially …

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