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How Wealth Accumulation Can Promote Cooperation

Figure 9

Cooperation as a function of the number of individuals.

Asymptotic proportion of cooperators as a function of the number of individuals. A larger number of individuals increases the likelihood that an initial supercritical cluster of cooperators will survive, and hence that at least one cooperator is protected sufficiently long to accumulate enough wealth to outcompete defectors. Hence, for any given set of parameters, a large number of individuals increases the probability with which cooperation will prevail.

Figure 9

doi: https://doi.org/10.1371/journal.pone.0013471.g009