The evolution of generosity and choosiness in cooperative exchanges.

@article{Sherratt1998TheEO,
  title={The evolution of generosity and choosiness in cooperative exchanges.},
  author={Thomas N. Sherratt and Gilbert Roberts},
  journal={Journal of theoretical biology},
  year={1998},
  volume={193 1},
  pages={
          167-77
        }
}
In this paper we present a resource-explicit Donor-Receiver model for reciprocally altruistic interactions that obeys the defining inequalities of the Prisoner's Dilemma. In our model, individuals vary in the quantity of resource they invest when cooperating (termed "generosity") and they have the freedom to opt out of interactions with potential partners on the basis of their past experiences with these players (termed "choosiness"). Dynamic optimal solutions were found using a genetic… CONTINUE READING
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