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Learning about monetary policy rules when the cost-channel matters

Listed author(s):
  • Llosa, Luis-Gonzalo
  • Tuesta, Vicente

We study how monetary policy may affect determinacy and expectational stability (E-stability) of rational expectations equilibrium when the cost channel of monetary policy matters. Focusing on instrumental Taylor-type rules and optimal target rules, we show that standard policies can induce indeterminacy and expectational instability when the cost channel is present. A naïve application of the traditional Taylor principle could be misleading, and expectations-based reaction function under discretion does not always induce determinate and E-stable equilibrium. This result contrasts with the findings of Bullard and Mitra [2002. Learning about monetary policy rules. Journal of Monetary Economics 49, 1105-1129] and Evans and Honkapohja [2003. Expectations and stability problem for optimal monetary policies. Review of Economic Studies 70, 807-824] for the standard new Keynesian model. The ability of the central bank to commit to an optimal policy is an antidote to these problems.

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

Volume (Year): 33 (2009)
Issue (Month): 11 (November)
Pages: 1880-1896

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Handle: RePEc:eee:dyncon:v:33:y:2009:i:11:p:1880-1896
Contact details of provider: Web page: http://www.elsevier.com/locate/jedc

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  1. Evans, George W. & Honkapohja, Seppo, 2002. "Monetary policy, expectations and commitment," Working Paper Series 0124, European Central Bank.
  2. James B. Bullard, 2006. "The learnability criterion and monetary policy," Review, Federal Reserve Bank of St. Louis, issue May, pages 203-217.
  3. Marvin J. Barth III & Valerie A. Ramey, 2000. "The Cost Channel of Monetary Transmission," NBER Working Papers 7675, National Bureau of Economic Research, Inc.
  4. Richard Clarida & Jordi Galí & Mark Gertler, 2000. "Monetary Policy Rules and Macroeconomic Stability: Evidence and Some Theory," The Quarterly Journal of Economics, Oxford University Press, vol. 115(1), pages 147-180.
  5. Benhabib, Jess & Schmitt-Grohé, Stephanie & Uribe, Martín, 1999. "Monetary Policy and Multiple Equilibria," CEPR Discussion Papers 2316, C.E.P.R. Discussion Papers.
  6. Bullard, James & Mitra, Kaushik, 2002. "Learning about monetary policy rules," Journal of Monetary Economics, Elsevier, vol. 49(6), pages 1105-1129, September.
  7. Chowdhury, Ibrahim & Hoffmann, Mathias & Schabert, Andreas, 2004. "Inflation dynamics and the cost channel of monetary transmission," CFR Working Papers 04-01, University of Cologne, Centre for Financial Research (CFR).
  8. Bennett T. McCallum & Edward Nelson, 1998. "Performance of Operational Policy Rules in an Estimated Semi-Classical Structural Model," NBER Working Papers 6599, National Bureau of Economic Research, Inc.
  9. Evans, George W. & Honkapohja, Seppo, 2001. "Expectations and the Stability Problem for Optimal Monetary Policies," CEPR Discussion Papers 2805, C.E.P.R. Discussion Papers.
  10. Takushi Kurozumi, 2006. "Determinacy and Expectational Stability of Equilibrium in a Monetary Sticky-Price Model with Taylor Rule," Bank of Japan Working Paper Series 06-E-2, Bank of Japan.
  11. Woodford, M., 1999. "Optimal Monetary Policy Inertia.," Papers 666, Stockholm - International Economic Studies.
  12. Preston, Bruce, 2005. "Learning about Monetary Policy Rules when Long-Horizon Expectations Matter," MPRA Paper 830, University Library of Munich, Germany.
  13. Lawrence J. Christiano & Martin Eichenbaum & Charles L. Evans, 2001. "Nominal rigidities and the dynamic effects of a shock to monetary policy," Working Paper Series WP-01-08, Federal Reserve Bank of Chicago.
  14. Blanchard, Olivier Jean & Kahn, Charles M, 1980. "The Solution of Linear Difference Models under Rational Expectations," Econometrica, Econometric Society, vol. 48(5), pages 1305-1311, July.
  15. James Bullard & Kaushik Mitra, "undated". "Determinacy, Learnability, and Monetary Policy Inertia," Discussion Papers 00/43, Department of Economics, University of York.
  16. Evans, George W. & Honkapohja, Seppo, 1999. "Learning dynamics," Handbook of Macroeconomics, in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 7, pages 449-542 Elsevier.
  17. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
  18. John Duffy & Wei Xiao, 2007. "The Value of Interest Rate Stabilization Policies When Agents Are Learning," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 39(8), pages 2041-2056, December.
  19. Bennett T. McCallum, 2006. "E-Stability vis-a-vis Determinacy Results for a Broad Class of Linear Rational Expectations Models," NBER Working Papers 12441, National Bureau of Economic Research, Inc.
  20. McCallum, Bennett T., 1983. "On non-uniqueness in rational expectations models : An attempt at perspective," Journal of Monetary Economics, Elsevier, vol. 11(2), pages 139-168.
  21. Marc Giannoni & Michael Woodford, 2003. "How forward-looking is optimal monetary policy?," Proceedings, Federal Reserve Bank of Cleveland, pages 1425-1483.
  22. Surico, Paolo, 2008. "The Cost Channel Of Monetary Policy And Indeterminacy," Macroeconomic Dynamics, Cambridge University Press, vol. 12(05), pages 724-735, November.
  23. Taylor, John B., 1993. "Discretion versus policy rules in practice," Carnegie-Rochester Conference Series on Public Policy, Elsevier, vol. 39(1), pages 195-214, December.
  24. Bruckner, Matthias & Schabert, Andreas, 2003. "Supply-side effects of monetary policy and equilibrium multiplicity," Economics Letters, Elsevier, vol. 79(2), pages 205-211, May.
  25. Ravenna, Federico & Walsh, Carl E., 2006. "Optimal monetary policy with the cost channel," Journal of Monetary Economics, Elsevier, vol. 53(2), pages 199-216, March.
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