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Long-run Phillips Curve and Disinfation Dynamics: Calvo vs. Rotemberg Price Setting

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  • Rossi Lorenza

    ()
    (DISCE, Università Cattolica)

  • Guido Ascari

    (Università di Pavia)

Abstract

There is widespread agreement that the two most widely used pricing assumptions in the New-Keynesian literature, i.e., Calvo and Rotemberg price-setting mechanisms, deliver equivalent dynamics. We show that, instead, they entail a very di¤erent dynamics of adjustment after a disin?ation, once non linear simulations are employed. In the Calvo model disin?ation implies output gains, while in the Rotemberg model a disin?ation experiment implies output losses. We show that this is due to the di¤erent wedges created by the nominal rigidities in the two models: between output and hours in the Calvo model, while between output and consumption in the Rotemberg model. More- over, unlike the Calvo model, in the Rotemberg model real wage rigidi- ties cause a signi?cant output slump along the adjustment path, thus restoring a dynamics in line both with the conventional wisdom and the empirical evidence.

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Paper provided by Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE) in its series DISCE - Quaderni dell'Istituto di Economia e Finanza with number ief0082.

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Length: nn pages 28
Date of creation: Jun 2008
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Handle: RePEc:ctc:serie3:ief0082

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Web page: http://www.unicatt.it/Istituti/EconomiaFinanza
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Keywords: Disinfation; Sticky Prices; Nonlinearities;

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References

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  1. Olivier Blanchard & Jordi Galí, 2005. "Real Wage Rigidities and the New Keynesian Model," Working Papers 243, Barcelona Graduate School of Economics.
  2. Roberts, John M, 1995. "New Keynesian Economics and the Phillips Curve," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 27(4), pages 975-84, November.
  3. Ball, Laurence, 1994. "Credible Disinflation with Staggered Price-Setting," American Economic Review, American Economic Association, vol. 84(1), pages 282-89, March.
  4. Julio Rotemberg, 1987. "The New Keynesian Microfoundations," NBER Chapters, in: NBER Macroeconomics Annual 1987, Volume 2, pages 69-116 National Bureau of Economic Research, Inc.
  5. Peter N. Ireland, 2005. "Changes in the Federal Reserve's inflation target: causes and consequences," Working Papers 05-13, Federal Reserve Bank of Boston.
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  7. 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.
  8. Khan, Hashmat, 2005. "Price-setting behaviour, competition, and markup shocks in the new Keynesian model," Economics Letters, Elsevier, vol. 87(3), pages 329-335, June.
  9. Rotemberg, Julio J, 1982. "Monopolistic Price Adjustment and Aggregate Output," Review of Economic Studies, Wiley Blackwell, vol. 49(4), pages 517-31, October.
  10. Guido Ascari, 2004. "Staggered Prices and Trend Inflation: Some Nuisances," Review of Economic Dynamics, Elsevier for the Society for Economic Dynamics, vol. 7(3), pages 642-667, July.
  11. N. Gregory Mankiw, 2000. "The Inexorable and Mysterious Tradeoff Between Inflation and Unemployment," NBER Working Papers 7884, National Bureau of Economic Research, Inc.
  12. Yun, Tack, 1996. "Nominal price rigidity, money supply endogeneity, and business cycles," Journal of Monetary Economics, Elsevier, vol. 37(2-3), pages 345-370, April.
  13. Stephanie Schmitt-Grohé & Martín Uribe, 2007. "Optimal simple and implementable monetary and fiscal rules," Working Paper 2007-24, Federal Reserve Bank of Atlanta.
  14. Guido Ascari & Christian Merkl, 2007. "Real Wage Rigidities and the Cost of Disinflations," Kiel Working Papers 1312, Kiel Institute for the World Economy.
  15. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
  16. Graham, Liam & Snower, Dennis J., 2004. "The real effects of money growth in dynamic general equilibrium," Working Paper Series 0412, European Central Bank.
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Cited by:
  1. Giuseppe Mastromatteo, 2011. "The Debate on the Crisis: Recent Reappraisals of the Concept of Functional Finance," DISCE - Quaderni dell'Istituto di Economia e Finanza ief0105, Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE).
  2. Tatiana Damjanovic & Charles Nolan, 2009. "Second Order Accurate Approximation to the Rotemberg Model Around a Distorted Steady State," CDMA Working Paper Series 200907, Centre for Dynamic Macroeconomic Analysis, revised 15 Apr 2010.
  3. Damjanovic, Tatiana & Nolan, Charles, 2010. "Second-Order Approximation to the Rotemberg Model around a Distorted Steady State," SIRE Discussion Papers 2010-31, Scottish Institute for Research in Economics (SIRE).
  4. Sandro Brusco & Luca Colombo & Umberto Galmarini, 2010. "Local Governments Tax Autonomy, Lobbying, and Welfare," DISCE - Quaderni dell'Istituto di Economia e Finanza ief0097, Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE).
  5. Maria Flavia Ambrosanio & Massimo Bordignon & Floriana Cerniglia, 2008. "Constitutional reforms, fiscal decentralization and regional fiscal flows in Italy," DISCE - Quaderni dell'Istituto di Economia e Finanza ief0084, Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE).
  6. Giuseppe Mastromatteo, 2011. "H.P. Minsky And Policies To Countervail Crises," DISCE - Quaderni dell'Istituto di Economia e Finanza ief0102, Università Cattolica del Sacro Cuore, Dipartimenti e Istituti di Scienze Economiche (DISCE).

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