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MENTAL MODEL · M5982

Harrod-Domar Model

Harrod-Domar Model
BusinessHigh supportDevelopment Economics
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Version 1.0.0 · Updated 2026-07-28

CORE DEFINITION

The Harrod-Domar model, also known as the Harrod-Domar economic growth model, is a Keynesian economic growth model. It was contributed by Roy Harrod and Evsey Domar respectively, and is the earliest mathematical model in modern development economics.

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The Harrod-Domar model, also known as the Harrod-Domar economic growth model, is a Keynesian economic growth model. It was contributed by Roy Harrod and Evsey Domar respectively, and is the earliest mathematical model in modern development economics.

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The Harrod-Domar model links the growth rate (g) to the savings rate (s) and capital-output ratio (v) via the equation s/v = g, emphasizing investment-driven growth.

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Source support: Explicit

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    zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E5%93%88%E7%BD%97%E5%BE%B7-%E5%A4%9A%E9%A9%AC%E6%A8%A1%E5%9E%8BZH · Explicit
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