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Optimal monetary policy and model selection in a real-time learning environment

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  • Ravenna, Federico

Abstract

We investigate how real-time parameter learning, optimal policies and the volatility of exogenous shocks affect the policymakers’ ability to distinguish across competing models of the economy. The detection speed of model misspecification depends only on the relative volatility of supply and demand shocks.

Suggested Citation

  • Ravenna, Federico, 2012. "Optimal monetary policy and model selection in a real-time learning environment," Economics Letters, Elsevier, vol. 114(3), pages 322-325.
    • Handle: RePEc:eee:ecolet:v:114:y:2012:i:3:p:322-325
    DOI: 10.1016/j.econlet.2011.11.011
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    References listed on IDEAS

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    1. George W. Evans & Seppo Honkapohja, 2003. "Expectations and the Stability Problem for Optimal Monetary Policies," The Review of Economic Studies, Review of Economic Studies Ltd, vol. 70(4), pages 807-824.
    2. Wieland, Volker, 2000. "Learning by doing and the value of optimal experimentation," Journal of Economic Dynamics and Control, Elsevier, vol. 24(4), pages 501-534, April.
    3. Dennis, Richard & Ravenna, Federico, 2008. "Learning and optimal monetary policy," Journal of Economic Dynamics and Control, Elsevier, vol. 32(6), pages 1964-1994, June.
    4. Hansen, Lars Peter & Sargent, Thomas J., 2003. "Robust control of forward-looking models," Journal of Monetary Economics, Elsevier, vol. 50(3), pages 581-604, April.
    5. Gali, Jordi & Gertler, Mark, 1999. "Inflation dynamics: A structural econometric analysis," Journal of Monetary Economics, Elsevier, vol. 44(2), pages 195-222, October.
    6. Timothy Cogley & Thomas J. Sargent, 2005. "The conquest of US inflation: Learning and robustness to model uncertainty," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 8(2), pages 528-563, April.
    7. Cogley, Timothy & De Paoli, Bianca & Matthes, Christian & Nikolov, Kalin & Yates, Tony, 2011. "A Bayesian approach to optimal monetary policy with parameter and model uncertainty," Journal of Economic Dynamics and Control, Elsevier, vol. 35(12), pages 2186-2212.
    Full references (including those not matched with items on IDEAS)

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    More about this item

    Keywords

    Learning; Optimal monetary policy; Model misspecification; Business cycle;
    All these keywords.

    JEL classification:

    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies

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