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Learning by Disinflating

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  • Martin Ellison
  • Martin Ellison
  • Alina Barnett
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    Abstract

    Disinflationary episodes are a valuable source of information for economic agents trying to learn about the economy.� This paper is especially interested in how a policymaker can themselves learn by disinflating.� The approach differs from the existing literature, which typically focuses on the learning of private agents during a disinflation.� We build a model where both the policymaker and private agents learn, and ask what happens if the poicymaker has to disinflate to satisfy a new central bank mandate specifying greater emphasis on inflation stabilisation.� In this case, our results show that inflation may fall dramatically before it gradually rises to its new long run level.� The potential for inflation to undershoot its long run level during a disinflationary episode suggests that caution should be exercised when assessing the success of any change in the policymaker's mandate.

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    Bibliographic Info

    Paper provided by University of Oxford, Department of Economics in its series Economics Series Working Papers with number 579.

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    Date of creation: 01 Nov 2011
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    Handle: RePEc:oxf:wpaper:579

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    Related research

    Keywords: Disinflation; Escape dynamics; Learning; Monetary policy;

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    References

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    1. In-Koo Cho & Kenneth Kasa, 2003. "Learning Dynamics and Endogenous Currency Crises," Computing in Economics and Finance 2003 132, Society for Computational Economics.
    2. Anamaria Nicolae & Charles Nolan, 2004. "The impact of imperfect credibility in a transition to price stability," Money Macro and Finance (MMF) Research Group Conference 2003 72, Money Macro and Finance Research Group.
    3. Timothy Cogley & Riccardo Colacito & Thomas J. Sargent, 2005. "Benefits from U.S. monetary policy experimentation in the days of Samuelson and Solow and Lucas," Proceedings, Board of Governors of the Federal Reserve System (U.S.).
    4. Lynne Evans & Anamaria Nicolae, 2010. "The Output Effect of a Transition to Price Stability When Velocity Is Time Varying," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 42(5), pages 859-878, 08.
    5. David Andolfatto & Paul Gomme, 1997. "Monetary Policy Regimes and Beliefs," Working Papers 97002, University of Waterloo, Department of Economics, revised Jan 1997.
    6. Thomas Sargent & Noah Williams & Tao Zha, 2004. "Shocks and Government Beliefs: The Rise and Fall of American Inflation," NBER Working Papers 10764, National Bureau of Economic Research, Inc.
    7. Ben S. Bernanke, 2007. "Inflation expectations and inflation forecasting: a speech at the Monetary Economics Workshop of the National Bureau of Economic Research Summer Institute, Cambridge, Massachusetts, July 10, 2007," Speech, Board of Governors of the Federal Reserve System (U.S.), issue Jul.
    8. Rogoff, Kenneth, 1985. "The Optimal Degree of Commitment to an Intermediate Monetary Target," The Quarterly Journal of Economics, MIT Press, vol. 100(4), pages 1169-89, November.
    9. Timothy Cogley & Christian Matthes & Argia M. Sbordone, 2011. "Optimal disinflation under learning," Staff Reports 524, Federal Reserve Bank of New York.
    10. Martin Ellison & Tony Yates, 2007. "Escaping Volatile Inflation," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 39(4), pages 981-993, 06.
    11. Giorgio Primiceri, 2005. "Why Inflation Rose and Fell: Policymakers' Beliefs and US Postwar Stabilization Policy," NBER Working Papers 11147, National Bureau of Economic Research, Inc.
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    Cited by:
    1. Matthes, Christian & Rondina, Francesca, 2012. "Two-sided Learning in New Keynesian Models: Dynamics, (Lack of) Convergence and the Value of Information," Dynare Working Papers 19, CEPREMAP.

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