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    Causal decision theory (Lewis, Gibbard & Harper) evaluate... — Carmelics
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    Challenges→The pair of randomizing strategies — each player rolling a three-sided die — constitutes a Nash equilibrium.

    Causal decision theory (Lewis, Gibbard & Harper) evaluates strategies by their causal consequences, and a randomizing device produces no causal mechanism linking one's choice to improved outcomes.

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    Key Terms

    Causal decision theory(Contrasted with evidential approaches that recommend one-boxing)
    A decision theory that recommends two-boxing in Newcomb's problem
    Evaluates strategies(as used in decision theory)
    Judges how good or bad different plans of action are by measuring their results.
    Gibbard & Harper(as co-developers of causal decision theory)
    Allan Gibbard and William Harper, philosophers who developed causal decision theory in the 1970s as an alternative way to think about rational choice.
    Lewis(philosopher who created the similarity metric being discussed)
    David Lewis was a famous American philosopher who developed influential theories about possible worlds—alternative ways reality could have been.
    Randomizing device

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    Based on where you are in your exploration

    Explore a random proposition
    Start fresh with something unrelated.
    (as an example in decision theory)
    Something that makes a choice by chance (like flipping a coin), rather than by your deliberate decision.
    causal consequences(Contrasted with broader conceptions such as possible worlds or temporal aftermaths)
    A narrowed conception of outcomes restricted to what an act directly causes, as favored by practical applicability advocates
    causal mechanism(as used in metaphysics and philosophy of causation)
    The process or chain of cause-and-effect by which one thing makes another thing happen.

    Connections

    2 topics

    Consequentialism1 linkedModality & Possibility1 linked

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    The pair of randomizing strategies — each player rolling a three-sided die — con...

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