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Sources of Macroeconomic Fluctuations: A Regime-switching DSGE Approach

  • Zheng Liu
  • Daniel F. Waggoner
  • Tao Zha

We examine the sources of macroeconomic economic fluctuations by estimating a variety of medium-scale DSGE models within a unified framework that incorporates regime switching both in shock variances and in the inflation target. Our general framework includes a number of different model features studied in the literature. We propose an efficient methodology for estimating regime-switching DSGE models. The model that best fits the U.S. time-series data is the one with synchronized shifts in shock variances across two regimes and the fit does not rely on strong nominal rigidities. We find little evidence of changes in the inflation target. We identify three types of shocks that account for most of macroeconomic fluctuations: shocks to total factor productivity, wage markup, and the capital depreciation rate.

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Paper provided by Department of Economics, Emory University (Atlanta) in its series Emory Economics with number 1002.

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Date of creation: Apr 2010
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Handle: RePEc:emo:wp2003:1002
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