한국관련자료
Supply Shocks in the Fog: The Role of Endogenous Uncertainty
Recessions are often accompanied by heightened uncertainty. We build an imperfect-information New Keynesian model in which procyclical information quality generates endogenous countercyclical uncertainty, and the nonlinear structure allows for a precautionary saving motive. We show theoretically that endogenous uncertainty operates entirely through aggregate demand. For negative supply shocks, the induced rise in uncertainty can depress demand enough to dominate the shock‘s inflationary force, turning the shock deflationary. Monetary policy can fully eliminate the adverse effect of endogenous uncertainty by stabilizing the output gap. We quantify the endogenous uncertainty channel in the US data and find it to be strong enough to generate deflation in response to negative supply shocks.
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