Cognitive Scaffold

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MENTAL MODEL · M5630

Bergmann's Rule

Bergmann's Rule
BusinessHigh supportEconomics
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

For the same type of endothermic animals, those living in colder regions tend to have larger body sizes than those in warmer regions. This is because larger volume results in a smaller relative surface area, leading to slower heat dissipation and higher insulation efficiency.

SCAFFOLDING EFFECT

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Environment shapes size. In the business ecosystem, a cold winter (economic downturn) often favors large-scale, high-reserve enterprises (slow heat dissipation), while a warm spring (economic boom) favors small-scale, highly flexible enterprises (fast heat dissipation and metabolism).

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For the same type of endothermic animals, those in colder regions have larger body sizes than those in warmer regions—larger volume means smaller relative surface area, slower heat dissipation, and higher insulation efficiency. Environment shapes size.

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Bergmann%27s_ruleZH · Explicit
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