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Optimal Monetary Policy in an Estimated DSGE Model of the Euro Area with Cross-Country Heterogeneity

Author

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  • Eric Jondeau

    (University of Lausanne and Swiss Finance Institute)

  • Jean-Guillaume SAHUC

    (Banque de France and Audencia School of Management)

Abstract

This paper investigates the implications of cross-country heterogeneity within the euro area for the design of optimal monetary policy. We build an optimizing-based multi-country model (MCM) describing the euro area in which di¤erences between structural parameters across countries are allowed. Using Bayesian techniques, we estimate the MCM and its area-wide counterpart (AWM). We then question which model is the most appropriate for monetary policypurposes. Several results emerge. First, using an AWM induces relatively large and signifficant welfare losses. Second, this is not the use of a rule based on aggregated variables that is costly in terms of welfare, but rather the use of a sub-optimal forecasting model. Third, allowing for habit on consumption has important implications for the dynamics of models but taking into account difference in price indexation has more drastic effects on welfare losses.

Suggested Citation

  • Eric Jondeau & Jean-Guillaume SAHUC, 2007. "Optimal Monetary Policy in an Estimated DSGE Model of the Euro Area with Cross-Country Heterogeneity," Swiss Finance Institute Research Paper Series 07-36, Swiss Finance Institute.
    • Handle: RePEc:chf:rpseri:rp0736
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    JEL classification:

    • C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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