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MENTAL MODEL · M3517

New Keynesian Economics

New Keynesian Economics
BusinessHigh supportMacroeconomics
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

A macroeconomic school developed in the 1980s that introduces microfoundations to explain price and wage stickiness, including theories such as menu costs, staggered pricing, and efficiency wages, providing theoretical support for Keynesian policy intervention.

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Theoretical foundation for policy intervention. Provides a framework for understanding market failures and the necessity of government intervention. In policy-making, it supports the use of monetary and fiscal policy to stabilize the economy, emphasizing the importance of active policy intervention during severe economic recessions.

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Introduces microfoundations (price stickiness, menu costs, imperfect competition) within the Keynesian framework to explain why markets may not clear quickly and why policy intervention is needed. It bridges classical and Keynesian economics.

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Source support: Explicit

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