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    Best-response logic presupposes stable expectations; with... — Carmelics
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    Challenges→Common knowledge of rationality is satisfiable by any model where each player's strategy is a best response given their actual beliefs, without requiring caution.

    Best-response logic presupposes stable expectations; without shared understanding that all players are rational, beliefs can cascade unpredictably across strategic reasoning levels.

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    Key Terms

    Beliefs cascade(game theory and strategic reasoning)
    When one person's belief about what will happen influences another person's belief, which then influences a third person's belief, creating a chain reaction that's hard to predict or control.
    Best-response logic(game theory and strategic decision-making)
    A way of thinking where each player in a strategic situation chooses the action that works best for them, given what they believe the other players will do.
    Rational
    # Rational A rational person is someone who makes decisions based on logic and evidence rather than emotions or hunches. Rational thinking means carefully considering the facts, weighing pros and cons, and coming to conclusions that make sense. It's the opposite of acting impulsively or based on feelings alone.
    Shared understanding(game theory and rational decision-making)
    When all people involved agree on the same basic facts or assumptions—in this case, that everyone is making logical decisions.

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    Strategic reasoning levels(game theory and decision-making)
    The layers of thinking involved when you try to predict what others will do (level 1), then predict what they think you'll do (level 2), then what they think you think they'll do (level 3), and so on.
    stable expectations(as used in philosophy of social institutions)
    Reliable patterns of behavior that people can count on to happen consistently and predictably.

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