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An Alternative Explanation of the Price Puzzle

  • Giordani, Paolo

    ()

    (Stockholm School of Economics, Department of Economics)

This paper proposes a simple explanation for the frequent appearance of a price puzzle in VARs designed for monetary policy analysis. It suggests that the best method of solving the puzzle implies a close connection between theory and empirics rather than the introduction of a commodity price. It proves that the omission of a measure of output gap (or potential output) spuriously produces a price puzzle in a wide class of commonly used models. This can happen even if the model admits a triangular identification and if the forecasts produced by the misspecified VAR are optimal. In the framework of a model due to Svensson, the omission of a measure of output gap is shown to generate several other incorrect conclusions. When the model is tested on US data, all predictions are supported.

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File URL: http://www.riksbank.se/upload/Dokument_riksbank/Kat_foa/wp_125.pdf
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Paper provided by Sveriges Riksbank (Central Bank of Sweden) in its series Working Paper Series with number 125.

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Length: 34 pages
Date of creation: 01 Sep 2001
Date of revision:
Publication status: Published in Journal of Monetary Economics, 2004, pages 1271-1296.
Handle: RePEc:hhs:rbnkwp:0125
Contact details of provider: Postal:
Sveriges Riksbank, SE-103 37 Stockholm, Sweden

Phone: 08 - 787 00 00
Fax: 08-21 05 31
Web page: http://www.riksbank.com/
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  1. Christopher A. Sims, 1992. "Interpreting the Macroeconomic Time Series Facts: The Effects of Monetary Policy," Cowles Foundation Discussion Papers 1011, Cowles Foundation for Research in Economics, Yale University.
  2. 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.
  3. Jordi Galí & Richard Clarida, 1993. "Sources of real exchage rate fluctuations: How important are nominal shocks?," Economics Working Papers 66, Department of Economics and Business, Universitat Pompeu Fabra, revised Jan 1994.
  4. Soderlind, Paul, 1999. "Solution and estimation of RE macromodels with optimal policy," European Economic Review, Elsevier, vol. 43(4-6), pages 813-823, April.
  5. Jordi Galí, 1992. "How Well Does The IS-LM Model Fit Postwar U. S. Data?," The Quarterly Journal of Economics, Oxford University Press, vol. 107(2), pages 709-738.
  6. Glenn D. Rudebusch & Lars E. O. Svensson, 1998. "Policy Rules for Inflation Targeting," NBER Working Papers 6512, National Bureau of Economic Research, Inc.
  7. James H. Stock & Mark W. Watson, 1999. "Forecasting Inflation," NBER Working Papers 7023, National Bureau of Economic Research, Inc.
  8. Laurence Ball, 1998. "Policy Rules for Open Economies," RBA Research Discussion Papers rdp9806, Reserve Bank of Australia.
  9. Christiano, Lawrence J. & Eichenbaum, Martin & Evans, Charles L., 1999. "Monetary policy shocks: What have we learned and to what end?," Handbook of Macroeconomics, in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 2, pages 65-148 Elsevier.
  10. Svensson, Lars E. O., 1999. "Inflation targeting as a monetary policy rule," Journal of Monetary Economics, Elsevier, vol. 43(3), pages 607-654, June.
  11. Fabio C. Bagliano & Carlo A. Favero, . "Measuring Monetary Policy with VAR Models: an Evaluation," Working Papers 132, IGIER (Innocenzo Gasparini Institute for Economic Research), Bocconi University.
  12. David Romer, 2000. "Keynesian Macroeconomics without the LM Curve," NBER Working Papers 7461, National Bureau of Economic Research, Inc.
  13. Svensson, Lars E. O., 2000. "Open-economy inflation targeting," Journal of International Economics, Elsevier, vol. 50(1), pages 155-183, February.
  14. Fuhrer, Jeffrey C & Moore, George R, 1995. "Monetary Policy Trade-offs and the Correlation between Nominal Interest Rates and Real Output," American Economic Review, American Economic Association, vol. 85(1), pages 219-39, March.
  15. Scott, Alasdair, 2003. "APPLIED MACROECONOMETRICS Carlo A. Favero Oxford University Press, 2001," Macroeconomic Dynamics, Cambridge University Press, vol. 7(02), pages 313-315, April.
  16. Svensson, Lars E.O., 1997. "Inflation Forecast Targeting: Implementing and Monitoring Inflation Targets," Seminar Papers 615, Stockholm University, Institute for International Economic Studies.
  17. Julio Rotemberg & Michael Woodford, 1997. "An Optimization-Based Econometric Framework for the Evaluation of Monetary Policy," NBER Chapters, in: NBER Macroeconomics Annual 1997, Volume 12, pages 297-361 National Bureau of Economic Research, Inc.
  18. Svensson, Lars-E-O, 2001. "The Zero Bound in an Open Economy: A Foolproof Way of Escaping from a Liquidity Trap," Monetary and Economic Studies, Institute for Monetary and Economic Studies, Bank of Japan, vol. 19(S1), pages 277-312, February.
  19. Joutz, Fred & Stekler, H. O., 2000. "An evaluation of the predictions of the Federal Reserve," International Journal of Forecasting, Elsevier, vol. 16(1), pages 17-38.
  20. Canova, Fabio & Pina, Joaquim Pivis, 1999. "Monetary Policy Misspecification in VAR Models," CEPR Discussion Papers 2333, C.E.P.R. Discussion Papers.
  21. Olivier Jean Blanchard & Danny Quah, 1988. "The Dynamic Effects of Aggregate Demand and Supply Disturbance," Working papers 497, Massachusetts Institute of Technology (MIT), Department of Economics.
  22. Eric M. Leeper & Christopher A. Sims & Tao Zha, 1996. "What Does Monetary Policy Do?," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 27(2), pages 1-78.
  23. Canova, Fabio, 1998. "Detrending and business cycle facts," Journal of Monetary Economics, Elsevier, vol. 41(3), pages 475-512, May.
  24. Eric M. Leeper & Tao Zha, 2001. "Assessing simple policy rules: a view from a complete macroeconomic model," Review, Federal Reserve Bank of St. Louis, issue Jul, pages 83-112.
  25. John P. Judd & Glenn D. Rudebusch, 1998. "Taylor's rule and the Fed, 1970-1997," Economic Review, Federal Reserve Bank of San Francisco, pages 3-16.
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