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Imperfect transparency and shifts in the central bank's output gap target

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  • Westelius, Niklas J.

Abstract

In the New Keynesian framework, the public's expectation about the future path of monetary policy is an important determinant of current economic conditions. This paper examines the impact of unobservable shifts in the central bank's output gap target on inflation and output dynamics. I show that when the degree of persistence of a shock is private information of the central bank, and policy is discretionary in nature, it is optimal for the central bank not to reveal the future expected path of the output gap target. Perfect transparency unambiguously increases inflation and output volatility and thus lowers welfare.

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Bibliographic Info

Article provided by Elsevier in its journal Journal of Economic Dynamics and Control.

Volume (Year): 33 (2009)
Issue (Month): 4 (April)
Pages: 985-996

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Handle: RePEc:eee:dyncon:v:33:y:2009:i:4:p:985-996

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Web page: http://www.elsevier.com/locate/jedc

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Keywords: Discretionary monetary policy New Keynesian Phillips curve Transparency Kalman filter Learning;

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  1. n/a, 2001. "A Timeless Perspective on Optimality in Forward-Looking Rational Expectations Models," NIESR Discussion Papers 154, National Institute of Economic and Social Research.
  2. Bennett T. McCallum & Edward Nelson, 2004. "Timeless perspective vs. discretionary monetary policy in forward-looking models," Review, Federal Reserve Bank of St. Louis, issue Mar, pages 43-56.
  3. 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.
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Cited by:
  1. Carsten Hefeker & Blandine Zimmer, 2010. "Central bank independence and conservatism under uncertainty: Substitutes or complements?," MAGKS Papers on Economics 201001, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).
  2. Francesco Cendron & Gianfranco Tusset, 2014. "Central BanksÕ Transparency: Words as Signals," "Marco Fanno" Working Papers 0178, Dipartimento di Scienze Economiche "Marco Fanno".
  3. Dai, Meixing & Sidiropoulos, Moïse & Spyromitros, Eleftherios, 2010. "Fiscal policy, institutional quality and central bank transparency," MPRA Paper 23766, University Library of Munich, Germany.
  4. Meixing Dai, 2012. "Static and Dynamic Effects of Central Bank Transparency," Working Papers of BETA 2012-08, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
  5. Rhee, Hyuk Jae & Turdaliev, Nurlan, 2013. "Central bank transparency: Does it matter?," International Review of Economics & Finance, Elsevier, vol. 27(C), pages 183-197.

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