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Solving and Estimating Indeterminate DSGE Models

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  • Mr. Roger Farmer
  • Mr. Vadim Khramov

Abstract

We propose a method for solving and estimating linear rational expectations models that exhibit indeterminacy and we provide step-by-step guidelines for implementing this method in the Matlab-based packages Dynare and Gensys. Our method redefines a subset of expectational errors as new fundamentals. This redefinition allows us to treat indeterminate models as determinate and to apply standard solution algorithms. We provide a selection method, based on Bayesian model comparison, to decide which errors to pick as fundamental and we present simulation results to show how our procedure works in practice.

Suggested Citation

  • Mr. Roger Farmer & Mr. Vadim Khramov, 2013. "Solving and Estimating Indeterminate DSGE Models," IMF Working Papers 2013/200, International Monetary Fund.
    • Handle: RePEc:imf:imfwpa:2013/200
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    References listed on IDEAS

    as
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    Keywords

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    JEL classification:

    • C11 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Bayesian Analysis: General
    • C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Estimation: General
    • C54 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Quantitative Policy Modeling

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