Social heuristics shape intuitive cooperation.

  title={Social heuristics shape intuitive cooperation.},
  author={David G. Rand and Alexander Peysakhovich and Gordon T Kraft-Todd and George E. Newman and Owen Wurzbacher and Martin A. Nowak and Joshua D. Greene},
  journal={Nature communications},
Cooperation is central to human societies. Yet relatively little is known about the cognitive underpinnings of cooperative decision making. Does cooperation require deliberate self-restraint? Or is spontaneous prosociality reined in by calculating self-interest? Here we present a theory of why (and for whom) intuition favors cooperation: cooperation is typically advantageous in everyday life, leading to the formation of generalized cooperative intuitions. Deliberation, by contrast, adjusts… 

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Social setting, intuition, and experience in lab experiments interact to shape cooperative decision-making

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Upstream reciprocity and the evolution of gratitude

  • M. NowakS. Roch
  • Economics
    Proceedings of the Royal Society B: Biological Sciences
  • 2006
It is shown that upstream reciprocity alone does not lead to the evolution of cooperation, but it can evolve and increase the level of cooperation if it is linked to either direct or spatial reciprocity.

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Experimental evidence that chimpanzees perform basic forms of helping in the absence of rewards spontaneously and repeatedly toward humans and conspecifics is reported, indicating that chimpanzees share crucial aspects of altruism with humans and suggesting that the roots of human altruism may go deeper than previous experimental evidence suggested.