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The Importance of Commitment in the New Keynesian Model

  • Lam Jean-Paul

    ()

    (University of Waterloo)

In the New Keynesian model, even if the central bank does not have an over-ambitious output target, policy under discretion leads to an inefficiency known as the stabilization bias. In this paper, using a New Keynesian model, we explore and quantify how a cost channel and multi-period data revisions affect the size of the stabilization bias. We find that the presence of a cost channel in the model increases the stabilization bias significantly. On the other hand, multi-period revisions to output and inflation reduce the inefficiency associated with discretionary policy.

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Article provided by De Gruyter in its journal The B.E. Journal of Macroeconomics.

Volume (Year): 10 (2010)
Issue (Month): 1 (November)
Pages: 1-23

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Handle: RePEc:bpj:bejmac:v:10:y:2010:i:1:n:34
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  1. Coenen, Guenter & Levin, Andrew & Wieland, Volker, 2003. "Data Uncertainty and the Role of Money as an Information Variable for Monetary Policy," CFS Working Paper Series 2003/07, Center for Financial Studies (CFS).
  2. Carl E. Walsh, 2003. "Monetary Theory and Policy, 2nd Edition," MIT Press Books, The MIT Press, edition 2, volume 1, number 0262232316, June.
  3. Jeffery D. Amato & Thomas Laubach, 2002. "Rule-of-thumb behaviour and monetary policy," Finance and Economics Discussion Series 2002-5, Board of Governors of the Federal Reserve System (U.S.).
  4. Kilponen, Juha & Leitemo, Kai, 2011. "Transmission lags and optimal monetary policy," Journal of Economic Dynamics and Control, Elsevier, vol. 35(4), pages 565-578, April.
  5. Svensson, Lars E. O. & Woodford, Michael, 2003. "Indicator variables for optimal policy," Journal of Monetary Economics, Elsevier, vol. 50(3), pages 691-720, April.
  6. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
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