Impulse response identification in DSGE models
AbstractDynamic stochastic general equilibrium (DSGE) models have become a widely used tool for policymakers. This paper modifies the global identification theory used for structural vector autoregressions, and applies it to DSGE models. We use this theory to check whether a DSGE model structure allows for unique estimates of structural shocks and their dynamic effects. The potential cost of a lack of identification for policy oriented models along that specific dimension is huge, as the same model can generate a number of contrasting yet theoretically and empirically justifiable recommendations. The problem and methodology are illustrated using a simple New Keynesian business cycle model.
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Bibliographic InfoPaper provided by Federal Reserve Bank of Kansas City in its series Research Working Paper with number RWP 10-07.
Date of creation: 2010
Date of revision:
Other versions of this item:
- Martin Fukac, 2009. "Impulse Response Identification in DSGE Models," Reserve Bank of New Zealand Discussion Paper Series DP2009/14, Reserve Bank of New Zealand.
- C30 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - General
- C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection
This paper has been announced in the following NEP Reports:
- NEP-ALL-2010-04-11 (All new papers)
- NEP-CBA-2010-04-11 (Central Banking)
- NEP-DGE-2010-04-11 (Dynamic General Equilibrium)
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