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Robust Monetary Policy in a Small Open Economy

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  • Söderström, Ulf
  • Leitemo, Kai

Abstract

This paper studies how a central bank?s preference for robustness against model misspecification affects the design of monetary policy in a New-Keynesian model of a small open economy. Due to the simple model structure, we are able to solve analytically for the optimal robust policy rule, and we separately analyse the effects of robustness against misspecification concerning the determination of inflation, output and the exchange rate. We show that an increased central bank preference for robustness makes monetary policy respond more aggressively or more cautiously to shocks, depending on the type of shock and the source of misspecification.

Suggested Citation

  • Söderström, Ulf & Leitemo, Kai, 2005. "Robust Monetary Policy in a Small Open Economy," CEPR Discussion Papers 5071, C.E.P.R. Discussion Papers.
    • Handle: RePEc:cpr:ceprdp:5071
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    More about this item

    Keywords

    Knightian uncertainty; Model uncertainty; Robust control; Min-max policies;
    All these keywords.

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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