MENTAL MODEL · M12562

Repeated Game

DecideHigh supportDecision Science

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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

Playing multiple rounds with the same opponent, where current decisions affect future interactions. Scaffolding role: Long-term relationships change optimal strategies. The "optimal" strategy in a one-shot game can be disastrous in a repeated game—cooperation and reputation become important.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Long-term relationships change optimal strategies. The "optimal" strategy in a one-shot game can be disastrous in a repeated game—cooperation and reputation become important.

anchor

Anchor fast decisions

A repeated game refers to the same players interacting repeatedly over multiple periods, allowing current defection to be punished in the future, thereby fostering cooperation—that is, 'tit-for-tat' can sustain reputation.

MINIMUM ACTION

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Practice this model in one real situation:

Use it to explain why long-term relationships facilitate cooperation, while one-time transactions are prone to fraud. Strategically, use trigger strategies to punish defection. In negotiations, extend the interaction horizon.

Check to track your progress (stored locally)

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Source support: Explicit

link
zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E9%87%8D%E5%A4%8D%E5%8D%9A%E5%BC%88ZH · Explicit
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