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MENTAL MODEL · M7151

Median Voter Theorem

Median Voter Theorem
CultureHigh supportPolitical Science
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

In majority rule, the proposal that wins elections is the one closest to the preferences of the 'median voter'. This leads all political parties (or mass-market products) to converge toward the center, becoming bland and similar.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

Gravitational pull toward mediocrity. If you aim to please everyone, you will inevitably lose distinctiveness. In collaboration, 'compromise solutions' are often the worst because they lose the edge of both extremes.

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Anchor fast decisions

Under single-peaked preferences in one dimension, the political equilibrium under majority rule lies at the most preferred point of the median voter; parties converge toward the center to win.

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Median_voter_theoremZH · Explicit
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