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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
Date of revision:
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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  1. Lawrence J. Christiano & Martin Eichenbaum & Charles Evans, 2001. "Nominal rigidities and the dynamic effects of a shock to monetary policy," Working Paper 0107, Federal Reserve Bank of Cleveland.
  2. Stephanie Schmitt-Grohé & Martín Uribe, 2007. "Optimal simple and implementable monetary and fiscal rules," Working Paper 2007-24, Federal Reserve Bank of Atlanta.
  3. 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.
  4. Rotemberg, Julio J, 1982. "Monopolistic Price Adjustment and Aggregate Output," Review of Economic Studies, Wiley Blackwell, vol. 49(4), pages 517-31, October.
  5. 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.
  6. Olivier Blanchard & Jordi Gali, 2005. "Real Wage Rigidities and the New Keynesian Model," NBER Working Papers 11806, National Bureau of Economic Research, Inc.
  7. Robert G. King & Alexander L. Wolman, 1996. "Inflation targeting in a St. Louis model of the 21st century," Review, Federal Reserve Bank of St. Louis, issue May, pages 83-107.
  8. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
  9. Graham, Liam & Snower, Dennis J., 2004. "The real effects of money growth in dynamic general equilibrium," Working Paper Series 0412, European Central Bank.
  10. Guido Ascari & Christian Merkl, 2009. "Real Wage Rigidities and the Cost of Disinflations," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 41(2-3), pages 417-435, 03.
  11. Ascari, Guido, 2003. "Staggered prices and trend inflation: some nuisances," Research Discussion Papers 27/2003, Bank of Finland.
  12. 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.
  13. N. Gregory Mankiw, 2000. "The Inexorable and Mysterious Tradeoff Between Inflation and Unemployment," Harvard Institute of Economic Research Working Papers 1905, Harvard - Institute of Economic Research.
  14. Peter N. Ireland, 2006. "Changes in the Federal Reserve's Inflation Target: Causes and Consequences," NBER Working Papers 12492, National Bureau of Economic Research, Inc.
  15. 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.
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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. 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).
  3. 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).
  4. Sandro Brusco & Luca Colombo & Umberto Galmarini, 2010. "Local Governments Tax Autonomy, Lobbying, and Welfare," Department of Economics Working Papers 10-01, Stony Brook University, Department of Economics.
  5. 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.
  6. 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).

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