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Learning with uncertain inflation target

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  • Marzioni, Stefano
  • Traficante, Guido

Abstract

This paper studies the effects of a temporary increase in the inflation target in a model with adaptive learning and imperfect credibility of the central bank. In such a setup the private sector has to learn the model governing the economy and assess if the change in the interest rate is due to a standard interest rate shock or to a persistent shock to the inflation target. We find that the analytical condition that guarantees asymptotical E-stability under full credibility is the same that we obtain for the calibrated version of our model under imperfect credibility. Under full credibility the transition to the long-run equilibrium is faster and the variance of inflation is lower. Our results are consistent with the view that increasing the inflation target can be used as a policy instrument without unanchoring expectations.

Suggested Citation

  • Marzioni, Stefano & Traficante, Guido, 2023. "Learning with uncertain inflation target," International Review of Economics & Finance, Elsevier, vol. 84(C), pages 624-634.
    • Handle: RePEc:eee:reveco:v:84:y:2023:i:c:p:624-634
    DOI: 10.1016/j.iref.2022.11.031
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    More about this item

    Keywords

    Kalman filter; Adaptive learning; Policy targets;
    All these keywords.

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E62 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Fiscal Policy; Modern Monetary Theory
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics
    • F42 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - International Policy Coordination and Transmission

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