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    Allais's paradox empirically demonstrates that agents vio... — Carmelics
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    Supports→The barebones theory of rationality (completeness + transitivity + best-choice selection) is too weak as a theory of rationality.

    Allais's paradox empirically demonstrates that agents violate independence while satisfying completeness and transitivity, revealing a normative gap the barebones theory cannot address.

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    Reasons For

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    • 1.Allais experiments show robust, systematic violations of independence across diverse populations, not mere noise or misunderstanding.
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    • 2.Agents simultaneously satisfy completeness and transitivity while violating independence, proving these three axioms are genuinely incompatible.
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    • 3.Expected utility theory claims to be normative yet generates prescriptions agents rationally reject, indicating a real normative inadequacy.
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    Reasons Against

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    • 1.Allais paradox reflects presentation effects and framing biases, not deep rational failures—agents with clearer decision procedures may comply with independence.
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    • 2.Expected utility remains the best-justified normative standard available; empirical violations don't establish what agents *should* do, only what they do.
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    • 3.Alternative theories (rank-dependent utility, prospect theory) also violate some rationality axioms, so Allais doesn't uniquely expose a normative gap.
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    Key Terms

    Allais's paradox(as used in decision theory and economics)
    A famous thought experiment created by economist Maurice Allais showing that people make choices about money and risk in ways that contradict what standard economic theory says they should do.
    Barebones theory(as used in critiques of economic models)
    A minimal, stripped-down theory that contains only the most basic assumptions—in this case, referring to standard economic theory about how rational people make decisions.
    Independence (axiom of)(as used in rational choice theory)
    A rule in decision theory stating that your preference between two options shouldn't change just because you add a third, identical option to both choices.
    Normative gap(the core problem Davidson identifies)
    A problem or disconnect between how things actually are (facts) and how things should be (values or rules); the 'gap' between description and prescription.
    completeness(Used to transfer results from model theory to proof theory)
    The property of a logical system whereby anything valid (model-theoretically) is deducible (proof-theoretically)
    transitivity(Applied to the temporal relation 'earlier than' on a set of worlds W)
    A property of a relation R such that if wRv and vRu, then wRu

    Connections

    2 topics

    Truth & Knowledge1 linkedSkepticism1 linked

    Related

    Agents simultaneously satisfy completeness and transitivity while violating inde...Allais experiments show robust, systematic violations of independence across div...

    Details

    Type
    claim
    Perspectives
    2 (1 for, 1 against)
    Edits
    1 edit
    Allais paradox reflects presentation effects and framing biases, not deep ration...
    Alternative theories (rank-dependent utility, prospect theory) also violate some...
    +3 moreShow less
    Expected utility remains the best-justified normative standard available; empiri...Expected utility theory claims to be normative yet generates prescriptions agent...The barebones theory of rationality (completeness + transitivity + best-choice s...