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    Since the independence axiom is constitutive of EU theory... — Carmelics
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    Supports→Expected-utility maximization is not the best general model of human decision-making behavior

    Since the independence axiom is constitutive of EU theory, Allais-pattern violations are not modeling errors but evidence of a fundamentally different decision architecture.

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    1 reason for
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    Reasons For

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    Reason for
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    • 1.Allais violations are systematic and replicable across populations, suggesting stable psychological mechanisms rather than random measurement error.
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    • 2.Independence axiom violations cluster with other patterns (reference dependence, loss aversion) suggesting an integrated alternative architecture, not isolated mistakes.
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    • 3.Modifying EU theory post-hoc to fit Allais data requires abandoning its core rationale; better to acknowledge humans use fundamentally different decision rules.
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    Reasons Against

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    • 1.Allais violations diminish or disappear with experience, real stakes, and simplified presentation—suggesting they reflect implementation errors, not deep architecture.
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    • 2.Prospect theory and rank-dependent models accommodate Allais patterns while preserving rational structure; no need to reject axioms wholesale.
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    • 3.Calling deviations a 'different architecture' is descriptive labeling, not explanation; it doesn't explain *why* that architecture evolved or when it applies.
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    Related

    Allais violations are systematic and replicable across populations, suggesting s...Allais violations diminish or disappear with experience, real stakes, and simpli...Calling deviations a 'different architecture' is descriptive labeling, not expla...Expected-utility maximization is not the best general model of human decision-ma...
    +3 moreShow less
    Independence axiom violations cluster with other patterns (reference dependence,...Modifying EU theory post-hoc to fit Allais data requires abandoning its core rat...Prospect theory and rank-dependent models accommodate Allais patterns while pres...

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