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Robust monetary policy in the New-Keynesian framework

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Author Info
Leitemo, Kai () (Norwegian School of Management (BI))
Söderström , Ulf () (Department of Economics and IGIER, Università Bocconi)

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Abstract

We study the effects of model uncertainty in a simple New-Keynesian model using robust control techniques. Due to the simple model structure, we are able to find closed-form solutions for the robust control problem, analysing both instrument rules and targeting rules under different timing assumptions. In all cases but one, an increased preference for robustness makes monetary policy respond more aggressively to cost shocks but leaves the response to demand shocks unchanged. As a consequence, inflation is less volatile and output is more volatile than under a non-robust policy. Under one particular timing assumption, however, increasing the preference for robustness has no effect on the optimal targeting rule (nor on the economy).

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Publisher Info
Paper provided by Bank of Finland in its series Research Discussion Papers with number 31/2004.

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Length: 26 pages
Date of creation: 13 Oct 2004
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Handle: RePEc:hhs:bofrdp:2004_031

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Postal: Bank of Finland, P.O. Box 160, FI-00101 Helsinki, Finland
Web page: http://www.bof.fi/en/tutkimus
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Related research
Keywords: Knightian uncertainty; model uncertainty; robust control; min-max policies;

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Find related papers by 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

References listed on IDEAS
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  1. repec:cup:macdyn:v:6:y:2002:i:1:p:111-44 is not listed on IDEAS
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    Other versions:
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    Other versions:
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Full references

Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Michael Funke & Michael Paetz, 2007. "Environmental Policy Under Model Uncertainty: A Robust Optimal Control Approach," CESifo Working Paper Series CESifo Working Paper No. , CESifo Group Munich. [Downloadable!]
    Other versions:
  2. Acocella, Nicola & Di Bartolomeo, Giovanni, 2007. "Towards a new theory of economic policy: Continuity and innovation," MPRA Paper 4419, University Library of Munich, Germany. [Downloadable!]
    Other versions:
  3. Richard Dennis & Kai Leitemo & Ulf Soderstrom, 2006. "Methods for Robust Control," Working Papers 307, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University. [Downloadable!]
    Other versions:
  4. Michael Paetz, 2007. "Robust Control and Persistence in the New Keynesian Economy," Quantitative Macroeconomics Working Papers 20711, Hamburg University, Department of Economics. [Downloadable!]
  5. Araújo, Eurilton, 2008. "Robust Monetary Policy with the Consumption-Wealth Channel," Ibmec Working Papers wpe_108, Ibmec Working Paper, Ibmec São Paulo. [Downloadable!]
  6. Dennis, Richard & Leitemo, Kai & Söderström, Ulf, 2007. "Monetary Policy in a Small Open Economy with a Preference for Robustness," CEPR Discussion Papers 6067, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
    Other versions:
  7. Leitemo , Kai & Söderström , Ulf, 2005. "Robust monetary policy in a small open economy," Research Discussion Papers 20/2005, Bank of Finland. [Downloadable!]
    Other versions:
  8. Miguel Casares, 2006. "A close look at model-dependent monetary policy design," Review, Federal Reserve Bank of St. Louis, issue Sep, pages 451-470. [Downloadable!]
  9. Meixing DAI & Eleftherios SPYROMITROS, 2007. "Walsh’s Contract and Transparency about Central Bank Preferences for Robust Control," Working Papers of BETA 2007-30, Bureau d'Economie Théorique et Appliquée, ULP, Strasbourg. [Downloadable!]
  10. Di Bartolomeo Giovanni & Hughes Hallett Andrew & Acocella Nicola, 2008. "Policy games, policy neutrality and Tinbergen controllability under rational expectations," wp.comunite 0034, Department of Communication, University of Teramo. [Downloadable!]
  11. Kilponen, Juha & Leitemo, Kai, 2006. "Robustness in monetary policymaking: a case for the Friedman rule," Research Discussion Papers 4/2006, Bank of Finland. [Downloadable!]
  12. Meixing Dai & Eleftherios Spyromitros, 2009. "Accountability and Transparency about Central Bank Preferences for Model Robustness," Working Papers of BETA 2009-18, Bureau d'Economie Théorique et Appliquée, ULP, Strasbourg. [Downloadable!]
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