Article
The evolution of interspecific mutualisms.
Proceedings of the National Academy of Sciences of the United States of America - 21 Jul 1998
Doebeli M, Knowlton N
Abstract excerpt
Interspecific mutualisms are widespread, but how they evolve is not clear. The Iterated Prisoner's Dilemma is the main theoretical tool to study cooperation, but this model ignores ecological differences between partners and assumes that amounts exchanged cannot themselves evolve. A more realistic model incorporating these features shows that strategies that succeed with fixed exchanges (e. g., Tit-for-Tat)...
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