Rare shocks, great recessions

Vasco Cúrdia, Marco Del Negro and Daniel Greenwald

No 585, Staff Reports from Federal Reserve Bank of New York

Abstract: We estimate a DSGE model where rare large shocks can occur, by replacing the commonly used Gaussian assumption with a Student?s t distribution. Results from the Smets and Wouters (2007) model estimated on the usual set of macroeconomic time series over the 1964-2011 period indicate that 1) the Student?s t specification is strongly favored by the data even when we allow for low-frequency variation in the volatility of the shocks and 2) the estimated degrees of freedom are quite low for several shocks that drive U.S. business cycles, implying an important role for rare large shocks. This result holds even if we exclude the Great Recession period from the sample. We also show that inference about low-frequency changes in volatility?and in particular, inference about the magnitude of Great Moderation?is different once we allow for fat tails.

Keywords: Bayesian analysis; DSGE models; fat tails; stochastic volatility; Great Recession (search for similar items in EconPapers)
JEL-codes: C32 E32 (search for similar items in EconPapers)
Pages: 78 pages
Date: 2012
New Economics Papers: this item is included in nep-bec, nep-dge and nep-mac
Note: a published version of this report, see Vasco Cúrdia, Marco Del Negro, and Daniel L. Greenwald, "Rare Shocks, Great Recessions," Journal of Applied Econometrics 29, no. 7 (2014): 1032-52.
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Citations: View citations in EconPapers (3)

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Related works:
Journal Article: RARE SHOCKS, GREAT RECESSIONS (2014)
Working Paper: Rare Shocks, Great Recessions (2013)
Working Paper: Rare Shocks, Great Recessions (2012)
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