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Competitiveness, market power and price stickiness: A paradox and a resolution

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  • Jean-Pascal Bénassy

    (CEPREMAP - Centre pour la recherche économique et ses applications, PJSE - Paris-Jourdan Sciences Economiques - ENS Paris - École normale supérieure - Paris - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique)

Abstract

Are prices less sticky when markets are more competitive? Our intuition would naturally lead us to give an affirmative answer to that question. But we first show that DSGE models with staggered price or wage contracts have actually the opposite and paradoxical property, namely that price stickiness is an increasing function of competitiveness. To eliminate this paradox, we next study a model where monopolistic competitors choose prices optimally subject to a cost of changing prices as in Rotemberg (1982a,b). For a given cost function, we find the more intuitive result that more competitiveness leads to more flexible prices.

Suggested Citation

  • Jean-Pascal Bénassy, 2005. "Competitiveness, market power and price stickiness: A paradox and a resolution," PSE Working Papers halshs-00590559, HAL.
  • Handle: RePEc:hal:psewpa:halshs-00590559
    Note: View the original document on HAL open archive server: https://halshs.archives-ouvertes.fr/halshs-00590559
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    References listed on IDEAS

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    1. Kim, Jinill, 2000. "Constructing and estimating a realistic optimizing model of monetary policy," Journal of Monetary Economics, Elsevier, vol. 45(2), pages 329-359, April.
    2. Huang, Kevin X. D. & Liu, Zheng, 2002. "Staggered price-setting, staggered wage-setting, and business cycle persistence," Journal of Monetary Economics, Elsevier, vol. 49(2), pages 405-433, March.
    3. Ascari, Guido & Rankin, Neil, 2002. "Staggered wages and output dynamics under disinflation," Journal of Economic Dynamics and Control, Elsevier, vol. 26(4), pages 653-680, April.
    4. Hairault, Jean-Olivier & Portier, Franck, 1993. "Money, New-Keynesian macroeconomics and the business cycle," European Economic Review, Elsevier, vol. 37(8), pages 1533-1568, December.
    5. Ascari, Guido, 2000. "Optimising Agents, Staggered Wages and Persistence in the Real Effects of Money Shocks," Economic Journal, Royal Economic Society, vol. 110(465), pages 664-686, July.
    6. Collard, Fabrice & Ertz, Guy, 1996. "Stochastic Nominal Wage Contacts in a Cash-in-Advance Model," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 1997017, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES), revised 00 Jul 1997.
    7. 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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