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How Much Information Should Interest Rate-Setting Central Banks Reveal?

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Author Info
Gosselin, Pierre
Gosselin-Lotz, Aileen
Wyplosz, Charles

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Abstract

Morris and Shin (2002) have shown that a central bank may be too transparent if the private sector pays too much attention to its possible imprecise signals simply because they are common knowledge. In their model, the central bank faces a binary choice: to reveal or not to reveal its information. This paper extends their model to the more realistic case where the central bank must anyway convey some information by setting the interest rate. This situation radically changes the conclusions. In many cases, full transparency is socially optimal. In other instances the central bank can distill information to either manipulate private sector expectations in a way that reduces the common knowledge effect or to reduce the unavoidable information content of the interest rate. In no circumstance is the option of only setting the interest rate socially optimal.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 5666.

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Date of creation: May 2006
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Handle: RePEc:cpr:ceprdp:5666

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Related research
Keywords: central bank transparency;

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Find related papers by JEL classification:
E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System
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

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  1. Jeffery D. Amato & Stephen Morris & Hyun Song Shin, 2002. "Communication and Monetary Policy," Oxford Review of Economic Policy, Oxford University Press, vol. 18(4), pages 495-503.
    Other versions:
  2. Bennett T. McCallum, 1995. "Two Fallacies Concerning Central Bank Independence," NBER Working Papers 5075, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
    Other versions:
  3. Petra M. Geraats, 2005. "Transparency and Reputation: The Publication of Central Bank Forecasts," The B.E. Journal of Macroeconomics, Berkeley Electronic Press, vol. 0(1). [Downloadable!]
  4. Stephen Morris & Hyun Song Shin, 2002. "Social Value of Public Information," American Economic Review, American Economic Association, vol. 92(5), pages 1521-1534, December. [Downloadable!]
  5. Stephen Morris & Hyun Song Shin, 2005. "Central Bank Transparency and the Signal Value of Prices," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 36(2005-2), pages 1-66. [Downloadable!]
  6. Hyun Song Shin & Jeffery D. Amato, 2003. "Public and Private Information in Monetary Policy Models," Computing in Economics and Finance 2003 38, Society for Computational Economics. [Downloadable!]
  7. Jeffery Amato & Hyun Song Shin, 2003. "Public and Private Information in Monetary Policy Models," Levine's Bibliography 666156000000000092, UCLA Department of Economics. [Downloadable!]
  8. Hyun Song Shin & Jeffery D. Amato, 2003. "Public and private information in monetary policy models," BIS Working Papers 138, Bank for International Settlements. [Downloadable!]
  9. Cukierman, Alex & Meltzer, Allan H, 1986. "A Theory of Ambiguity, Credibility, and Inflation under Discretion and Asymmetric Information," Econometrica, Econometric Society, vol. 54(5), pages 1099-1128, September. [Downloadable!] (restricted)
  10. Alan S. Blinder, 1999. "Central Banking in Theory and Practice," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262522608.
  11. 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. [Downloadable!] (restricted)
  12. Petra M. Geraats, 2002. "Central Bank Transparency," Economic Journal, Royal Economic Society, vol. 112(483), pages 532-565, November. [Downloadable!] (restricted)
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