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

  • Rossi Lorenza

    ()

    (DISCE, Università Cattolica)

  • Guido Ascari

    (Università di Pavia)

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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File URL: http://www.unicatt.it/Istituti/EconomiaFinanza/Quaderni/ief0082.pdf
File Function: First version, 2008
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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
Contact details of provider: Web page: http://www.unicatt.it/Istituti/EconomiaFinanza
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  1. 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.
  2. Blanchard, Olivier J & Galí, Jordi, 2005. "Real Wage Rigidities and the New Keynesian Model," CEPR Discussion Papers 5375, C.E.P.R. Discussion Papers.
  3. Ascari, Guido, 2002. "Staggered Price and Trend Inflation:Some Nuisances," Royal Economic Society Annual Conference 2002 10, Royal Economic Society.
  4. Hashmat Khan, 2004. "Price-setting behaviour, competition, and mark-up shocks in the New Keynesian model," Bank of England working papers 240, Bank of England.
  5. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
  6. King, Robert G. & Wolman, Alexander L., 2013. "Inflation Targeting in a St. Louis Model of the 21st Century," Review, Federal Reserve Bank of St. Louis, issue Nov, pages 543-574.
  7. Peter N. Ireland, 2005. "Changes in the Federal Reserve’s Inflation Target: Causes and Consequences," Boston College Working Papers in Economics 607, Boston College Department of Economics.
  8. Lawrence J. Christiano & Martin Eichenbaum & Charles L. Evans, 2005. "Nominal Rigidities and the Dynamic Effects of a Shock to Monetary Policy," Journal of Political Economy, University of Chicago Press, vol. 113(1), pages 1-45, February.
  9. Stephanie Schmitt-Grohe & Martin Uribe, 2004. "Optimal Simple and Implementable Monetary and Fiscal Rules," NBER Working Papers 10253, National Bureau of Economic Research, Inc.
  10. Rotemberg, Julio J, 1982. "Monopolistic Price Adjustment and Aggregate Output," Review of Economic Studies, Wiley Blackwell, vol. 49(4), pages 517-31, October.
  11. 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.
  12. Ball, Laurence, 1994. "Credible Disinflation with Staggered Price-Setting," American Economic Review, American Economic Association, vol. 84(1), pages 282-89, March.
  13. Guido Ascari & Christian Merkl, 2007. "Real Wage Rigidities and the Cost of Disinflations," Kiel Working Papers 1312, Kiel Institute for the World Economy.
  14. 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.
  15. Graham, Liam & Snower, Dennis J., 2004. "The real effects of money growth in dynamic general equilibrium," Working Paper Series 0412, European Central Bank.
  16. 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.
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