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 …

venture, the firms do not necessary choose the highest degree of cooperation available. …

We investigate the dimensions through which R&D spillovers are propagated across firms via cooperation through Research …

leads to clustering, is crucial for the survival of the Pareto dominant actions. The evolution of leader and crowd …

behavior, too. This holds for any population size N, if evolution of preferences is determined by behavior in two …, thereby ʺrationalizingʺ the more aggressive behavior. -- Contests ; preference evolution ; evolutionary stability …