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Imprecision of Central Bank Announcements and Credibility

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  • Daniel Laskar

    ()
    (EEP-PSE - Ecole d'Économie de Paris - Paris School of Economics - Ecole d'Économie de Paris, PSE - Paris-Jourdan Sciences Economiques - CNRS : UMR8545 - École des Hautes Études en Sciences Sociales (EHESS) - École des Ponts ParisTech (ENPC) - École normale supérieure [ENS] - Paris - Institut national de la recherche agronomique (INRA))

Abstract

We consider a model where the central bank faces a credibility problem in its announcements, but also cares about its credibility and, therefore, wants to make truthful announcements. We show that, although the central bank would be able to perfectly transmit its information to the private sector through precise announcements, the central bank may nonetheless prefer to make imprecise announcements. This choice of the central bank would be suboptimal from the point of view of society. However, if the central bank gives enough weight to making truthful announcements, this suboptimality disappears, because the central bank would then prefer precise announcements to imprecise announcements.

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Bibliographic Info

Paper provided by HAL in its series PSE Working Papers with number halshs-00562595.

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Date of creation: 29 Nov 2010
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Handle: RePEc:hal:psewpa:halshs-00562595

Note: View the original document on HAL open archive server: http://halshs.archives-ouvertes.fr/halshs-00562595
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Related research

Keywords: central bank transparency; central bank announcements; imprecise announcements; credibility;

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  1. Kydland, Finn E & Prescott, Edward C, 1977. "Rules Rather Than Discretion: The Inconsistency of Optimal Plans," Journal of Political Economy, University of Chicago Press, vol. 85(3), pages 473-91, June.
  2. Eijffinger, Sylvester C W & van der Cruijsen, Carin A B, 2007. "The Economic Impact of Central Bank Transparency: A Survey," CEPR Discussion Papers 6070, C.E.P.R. Discussion Papers.
  3. Hans Gersbach & Volker Hahn, 2008. "Forward Guidance for Monetary Policy: Is It Desirable?," CER-ETH Economics working paper series 08/84, CER-ETH - Center of Economic Research (CER-ETH) at ETH Zurich.
  4. Alan S. Blinder & Michael Ehrmann & Marcel Fratzscher & Jakob De Haan & David-Jan Jansen, 2008. "Central Bank Communication and Monetary Policy: A Survey of Theory and Evidence," NBER Working Papers 13932, National Bureau of Economic Research, Inc.
  5. Vickers, John, 1986. "Signalling in a Model of Monetary Policy with Incomplete Information," Oxford Economic Papers, Oxford University Press, vol. 38(3), pages 443-55, November.
  6. Mark Gertler & Jordi Gali & Richard Clarida, 1999. "The Science of Monetary Policy: A New Keynesian Perspective," Journal of Economic Literature, American Economic Association, vol. 37(4), pages 1661-1707, December.
  7. Robert J. Barro & David B. Gordon, 1983. "A Positive Theory of Monetary Policy in a Natural-Rate Model," NBER Working Papers 0807, National Bureau of Economic Research, Inc.
  8. Crawford, Vincent P & Sobel, Joel, 1982. "Strategic Information Transmission," Econometrica, Econometric Society, vol. 50(6), pages 1431-51, November.
  9. Alan S. Blinder, 1999. "Central Bank Credibility: Why Do We Care? How Do We Build It?," NBER Working Papers 7161, National Bureau of Economic Research, Inc.
  10. Stein, Jeremy C, 1989. "Cheap Talk and the Fed: A Theory of Imprecise Policy Announcements," American Economic Review, American Economic Association, vol. 79(1), pages 32-42, March.
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