MENTAL MODEL · M7976

Dynamic Game

DecideHigh supportGame Theory

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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

Players act in a sequence, and later players can observe the choices of earlier players. This contrasts with static games (simultaneous moves). Scaffolding role: order changes outcomes. In dynamic games, one can use "backward induction"—analyzing backward from the last step. (Merged: dynamic game method, dynamic game model, dynamic game modification)

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Order changes outcomes. In dynamic games, one can use "backward induction"—analyzing backward from the last step. (Merged: dynamic game method, dynamic game model, dynamic game modification)

anchor

Anchor fast decisions

In dynamic games, players act sequentially, and later players can observe previous actions, so strategies are "contingent" rather than simple choices. The equilibrium concept is upgraded to "subgame perfect equilibrium"—optimal in every subgame. The first mover can shape outcomes by making credible commitments (irreversible actions) that alter the expectations of later movers.

MINIMUM ACTION

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Practice this model in one real situation:

Clarify the order of moves and information structure
Use backward induction, reasoning backward from the last step to determine rational choices at each node
Assess whether the first mover's commitment is credible
Anticipate opponents' reactions to each history path.

Check to track your progress (stored locally)

Learning progress0%

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Source support: Explicit

link
zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E5%BA%8F%E8%B4%AF%E5%8D%9A%E5%BC%88ZH · Explicit
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