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    Home/Original/inverse
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    It is not the case that Nowak and May's work on stochastic evolutionary game theory demonstrates that drift can carry populations across deterministic thresholds, making 'extinction or fixation' a probabilistic rather than categorical outcome.

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    Reasons For

    1 perspective
    Reason for
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    • 1.Stochastic effects on 'thresholds' may reflect model sensitivity rather than fundamental biological insights about cooperation.
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    • 2.Drift-driven persistence often requires unrealistically small populations or weak selection—limiting applicability to natural systems.
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    • 3.The claim conflates mathematical properties of stochastic models with claims about how evolution actually operates in real populations.
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    Reasons Against

    1 perspective
    Reason against
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    • 1.Finite populations inevitably experience random genetic drift, making deterministic predictions from infinite-population models empirically inadequate.
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    • 2.Nowak-May models show cooperation can persist via stochastic fluctuations even when mean-field analysis predicts deterministic elimination.
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    • 3.Probabilistic extinction/fixation better matches observed biological data than categorical outcomes from classical game theory.
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