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Robust Monetary Policy in the New-Keynesian Framework

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  • Kai Leitemo
  • Ulf Soderstrom

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, analyzing 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 the 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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Bibliographic Info

Paper provided by IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University in its series Working Papers with number 273.

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Date of creation: 2004
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Handle: RePEc:igi:igierp:273

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  1. Leitemo, Kai & Söderström , Ulf, 2004. "Robust monetary policy in the New-Keynesian framework," Research Discussion Papers 31/2004, Bank of Finland.
  2. Kauppi , Heikki & Koskela , Erkki & Stenbacka , Rune, 2004. "Equilibrium unemployment and investment under product and labour market imperfections," Research Discussion Papers 11/2004, Bank of Finland.
  3. Bagella, Michele & Becchetti, Leonardo & Hasan, Iftekhar, 2004. "The anticipated and concurring effects of the EMU: exchange rate volatility, institutions and growth," Journal of International Money and Finance, Elsevier, vol. 23(7-8), pages 1053-1080.
  4. Marc P. Giannoni & Michael Woodford, 2003. "Optimal Interest-Rate Rules: I. General Theory," NBER Working Papers 9419, National Bureau of Economic Research, Inc.
  5. Paloviita , Maritta, 2002. "Inflation dynamics in the euro area and the role of expectations," Research Discussion Papers 20/2002, Bank of Finland.
  6. Carl E. Walsh, 2003. "Monetary Theory and Policy, 2nd Edition," MIT Press Books, The MIT Press, edition 2, volume 1, number 0262232316, December.
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  8. Craine, Roger, 1979. "Optimal monetary policy with uncertainty," Journal of Economic Dynamics and Control, Elsevier, vol. 1(1), pages 59-83, February.
  9. Berger, Allen N. & Hasan, Iftekhar & Klapper, Leora F., 2004. "Further evidence on the link between finance and growth: An international analysis of community banking and economic performance," Research Discussion Papers 8/2004, Bank of Finland.
  10. Mayes , David G. & Virén , Matti, 2004. "Asymmetries in the Euro area economy," Research Discussion Papers 9/2004, Bank of Finland.
  11. Schaling , Eric & Eijffinger , Sylvester & Tesfaselassie , Mewael, 2004. "Heterogeneous information about the term structure, least-squares learning and optimal rules for inflation targeting," Research Discussion Papers 23/2004, Bank of Finland.
  12. Koskela , Erkki & Uusitalo , Roope, 2004. "Unintended convergence – how Finnish unemployment reached the European level," Research Discussion Papers 6/2004, Bank of Finland.
  13. Alexei Onatski & Noah Williams, 2003. "Modeling Model Uncertainty," NBER Working Papers 9566, National Bureau of Economic Research, Inc.
  14. Söderström, Ulf, 2000. "Monetary policy with uncertain parameters," Working Paper Series 0013, European Central Bank.
  15. Giordani, Paolo & Söderlind, Paul, 2002. "Solution of Macromodels with Hansen-Sargent Robust Policies: Some Extensions," Working Paper Series in Economics and Finance 499, Stockholm School of Economics, revised 15 May 2003.
  16. Clarida, Richard & Galí, Jordi & Gertler, Mark, 1999. "The Science of Monetary Policy: A New Keynesian Perspective," CEPR Discussion Papers 2139, C.E.P.R. Discussion Papers.
  17. Marvin Goodfriend & Robert G. King, 1998. "The new neoclassical synthesis and the role of monetary policy," Working Paper 98-05, Federal Reserve Bank of Richmond.
  18. David G. Mayes, 2004. "An approach to bank insolvency in transition and emerging economies," Finance 0404015, EconWPA.
  19. Paloviita, Maritta & Mayes, David, 2004. "The use of real-time information in Phillips curve relationships for the euro area," Discussion Paper Series 1: Economic Studies 2004,28, Deutsche Bundesbank, Research Centre.
  20. Giannoni, Marc P., 2002. "Does Model Uncertainty Justify Caution? Robust Optimal Monetary Policy In A Forward-Looking Model," Macroeconomic Dynamics, Cambridge University Press, vol. 6(01), pages 111-144, February.
  21. Kai Leitemo & Ulf Söderstrom, 2005. "Robust Monetary Policy in a Small Open Economy," Working Papers 290, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
  22. Hyytinen, Ari & Takalo, Tuomas, 2004. "Multihoming in the Market for Payment Media: Evidence from Young Finnish Consumers," Discussion Papers 893, The Research Institute of the Finnish Economy.
  23. Castrén, Olli & Takalo , Tuomas & Wood , Geoffrey, 2004. "Labour market reform and the sustainability of exchange rate pegs," Research Discussion Papers 22/2004, Bank of Finland.
  24. Guse, Eran, 2004. "Expectational business cycles," Research Discussion Papers 19/2004, Bank of Finland.
  25. Martin Ellison & Lucio Sarno & Jouko Vilmunen, 2004. "Monetary policy and learning in an open economy," Macroeconomics 0404022, EconWPA.
  26. Rautureau, Nicolas, 2004. "Measuring the long-term perception of monetary policy and the term structure," Research Discussion Papers 12/2004, Bank of Finland.
  27. Jokivuolle , Esa & Lanne , Markku, 2004. "Trading Nokia: The roles of the Helsinki vs the New York stock exchanges," Research Discussion Papers 26/2004, Bank of Finland.
  28. Julio Rotemberg & Michael Woodford, 1997. "An Optimization-Based Econometric Framework for the Evaluation of Monetary Policy," NBER Chapters, in: NBER Macroeconomics Annual 1997, Volume 12, pages 297-361 National Bureau of Economic Research, Inc.
  29. Marc Giannoni & Michael Woodford, 2004. "Optimal Inflation-Targeting Rules," NBER Chapters, in: The Inflation-Targeting Debate, pages 93-172 National Bureau of Economic Research, Inc.
  30. repec:cup:macdyn:v:6:y:2002:i:1:p:111-44 is not listed on IDEAS
  31. Walsh, Carl E, 2004. "Robustly Optimal Instrument Rules and Robust Control: An Equivalence Result," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 36(6), pages 1105-13, December.
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