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Simple Pricing Rules, the Phillips Curve and the Microfoundations of Inflation Persistence

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Author Info
Richard Mash

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Abstract

We analyze the microfoundations of the Phillips curve, a key relationship in general macroeconomics and models of monetary policy in particular. The form in current widespread use includes both forward looking expected inflation and lagged inflation. The presence of lagged inflation is necessary to generate predicted inflation persistence to match actual persistence in real world data but it has proved very difficult to microfound. Recent contributions from Christiano, Eichenbaum and Evans (JPE, 2005) and Gali and Gertler (JME, 1999) have attempted to provide such microfoundations through the assumption of indexing or rule of thumb behaviour. We question the nature of the indexing rules or rules of thumb assumed and re-derive these models for the case where firms choose constrained optimal simple pricing rules. We find that the models no longer convincingly predict inflation persistence

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Paper provided by Society for Computational Economics in its series Computing in Economics and Finance 2005 with number 427.

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Date of creation: 11 Nov 2005
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Handle: RePEc:sce:scecf5:427

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Keywords: Monetary policy; Phillips curve; Inflation persistence; Microfoundations;

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Find related papers by JEL classification:
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
E22 - Macroeconomics and Monetary Economics - - Macroeconomics: Consumption, Saving, Production, Employment, and Investment - - - Capital; Investment; Capacity

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
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  2. Michael Dotsey, 2002. "Pitfalls in interpreting tests of backward-looking pricing in New Keynesian models," Economic Quarterly, Federal Reserve Bank of Richmond, issue Win, pages 37-50. [Downloadable!]
  3. Hall, Simon & Walsh, Mark & Yates, Anthony, 2000. "Are UK Companies' Prices Sticky?," Oxford Economic Papers, Oxford University Press, vol. 52(3), pages 425-46, July.
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  5. Richard Clarida & Jordi Gali & Mark Gertler, 1999. "The Science of Monetary Policy: A New Keynesian Perspective," Journal of Economic Literature, American Economic Association, vol. 37(4), pages 1661-1707, December. [Downloadable!] (restricted)
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  6. Christopher J. Erceg and Andrew T. Levin, 2001. "Imperfect Credibility and Inflation Persistence," Computing in Economics and Finance 2001 19, Society for Computational Economics.
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  7. Mankiw, N Gregory, 2001. "The Inexorable and Mysterious Tradeoff between Inflation and Unemployment," Economic Journal, Royal Economic Society, vol. 111(471), pages C45-61, May. [Downloadable!] (restricted)
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  8. Taylor, John B., 1999. "Staggered price and wage setting in macroeconomics," Handbook of Macroeconomics, in: J. B. Taylor & M. Woodford (ed.), Handbook of Macroeconomics, edition 1, volume 1, chapter 15, pages 1009-1050 Elsevier. [Downloadable!] (restricted)
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  20. Gali, Jordi & Gertler, Mark & Lopez-Salido, J. David, 2001. "European inflation dynamics," European Economic Review, Elsevier, vol. 45(7), pages 1237-1270. [Downloadable!] (restricted)
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  21. Boileau, Martin & Letendre, Marc-Andre, 2003. "How much persistence should sticky-price models generate to match US data?," Economics Letters, Elsevier, vol. 78(3), pages 335-342, March. [Downloadable!] (restricted)
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  23. Alexander L. Wolman, 2000. "The frequency and costs of individual price adjustments," Economic Quarterly, Federal Reserve Bank of Richmond, issue Fall, pages 1-22. [Downloadable!]
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Bruchez, Pierre-Alain, 2007. "A Hybrid Sticky-Price and Sticky-Information Model," MPRA Paper 3540, University Library of Munich, Germany. [Downloadable!]
  2. Sujit Kapadia, 2005. "Optimal Monetary Policy under Hysteresis," Economics Series Working Papers 250, University of Oxford, Department of Economics. [Downloadable!]
  3. Sujit Kapadia, 2005. "Inflation-Target Expectations and Optimal Monetary Policy," Money Macro and Finance (MMF) Research Group Conference 2005 81, Money Macro and Finance Research Group. [Downloadable!]
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