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Really Uncertain Business Cycles

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Author Info

  • Nicholas Bloom
  • Max Floetotto
  • Nir Jaimovich
  • Itay Saporta-Eksten
  • Stephen Terry

Abstract

We propose uncertainty shocks as a new shock that drives business cycles. First, we demonstrate that microeconomic uncertainty is robustly countercyclical, rising sharply during recessions, particularly during the Great Recession of 2007-2009. Second, we quantify the impact of time-varying uncertainty on the economy in a dynamic stochastic general equilibrium model with heterogeneous firms. We find that reasonably calibrated uncertainty shocks can explain drops and rebounds in GDP of around 3%. Moreover, we show that increased uncertainty alters the relative impact of government policies, making them initially less effective and then subsequently more effective.

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Bibliographic Info

Paper provided by Centre for Economic Performance, LSE in its series CEP Discussion Papers with number dp1195.

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Date of creation: Mar 2013
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Handle: RePEc:cep:cepdps:dp1195

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Web page: http://cep.lse.ac.uk/_new/publications/series.asp?prog=CEP

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Keywords: uncertainty;

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References

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Blog mentions

As found by EconAcademics.org, the blog aggregator for Economics research:
  1. Uncertainty and the business cycle
    by Christian Zimmermann in NEP-DGE blog on 2014-03-30 16:38:48
  2. Really Uncertain Business Cycles
    by Christian Zimmermann in NEP-DGE blog on 2012-07-31 14:43:16
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