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Does trend inflation make a difference?

Author

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  • Michele Loberto

    () (Bank of Italy)

  • Chiara Perricone

    () (LUISS Guido Carli)

Abstract

Although the average inflation rate of developed countries in the postwar period has been greater than zero, much of the extensive literature on monetary policy has employed models that assume zero steady-state inflation. In comparing four estimated medium-scale NK DSGE models with real and nominal frictions, we seek to shed light on the quantitative implications of omitting trend inflation, that is, positive steady-state inflation. We compare certain population characteristics and the IRFs for the four models by applying two loss functions based on a point distance criterion and on a distribution distance criterion, respectively. Finally, we compare the RMSE forecasts. We repeat the analysis for three sub-periods: the Great Inflation, the Great Moderation and the union of the two periods. We do not find clear evidence for always preferring a model that uses trend inflation.

Suggested Citation

  • Michele Loberto & Chiara Perricone, 2015. "Does trend inflation make a difference?," Temi di discussione (Economic working papers) 1033, Bank of Italy, Economic Research and International Relations Area.
  • Handle: RePEc:bdi:wptemi:td_1033_15
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    References listed on IDEAS

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    More about this item

    Keywords

    new Keynesian DSGE; trend inflation; loss function; entropy;

    JEL classification:

    • C1 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General
    • C5 - Mathematical and Quantitative Methods - - Econometric Modeling
    • E4 - Macroeconomics and Monetary Economics - - Money and Interest Rates
    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit

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