Heterogeneity stabilizes reciprocal altruism interactions.


In considering the phenomena of reciprocal altruism few would dispute that there are differences in individual quality-in particular, that for some individuals, at least on occasion, the cost of doing favors will exceed the potential of future benefits. That is, at any given time, a typical population is heterogeneous with respect to the affordability of… (More)


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@article{Fishman2001HeterogeneitySR, title={Heterogeneity stabilizes reciprocal altruism interactions.}, author={Michael A. Fishman and Amnon Lotem and Laura S. Stone}, journal={Journal of theoretical biology}, year={2001}, volume={209 1}, pages={87-95} }