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

  • Jean-Pascal Bénassy

    (CEPREMAP - Centre pour la recherche économique et ses applications - Centre pour la recherche économique et ses applications, PSE - Paris-Jourdan Sciences Economiques - CNRS : UMR8545 - École des Hautes Études en Sciences Sociales (EHESS) - École des Ponts ParisTech (ENPC) - École normale supérieure [ENS] - Paris)

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    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.

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    Paper provided by HAL in its series PSE Working Papers with number halshs-00590559.

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    Date of creation: Dec 2005
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    Handle: RePEc:hal:psewpa:halshs-00590559
    Note: View the original document on HAL open archive server: http://halshs.archives-ouvertes.fr/halshs-00590559
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    1. Ascari, G. & Rankin, N., 2000. "Staggered Wages and Output Dynamics under Disinflation," The Warwick Economics Research Paper Series (TWERPS) 557, University of Warwick, Department of Economics.
    2. 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.
    3. 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.
    4. Ascari, G., 1997. "Optimizing Agents, Staggered Wages and Persistence in the Real Effects of Money Shocks," The Warwick Economics Research Paper Series (TWERPS) 486, University of Warwick, Department of Economics.
    5. Fabrice COLLARD & Guy ERTZ, 2000. "Stochastic Nominal Wage Contracts in a Cash-in-Advance model," Discussion Papers (REL - Recherches Economiques de Louvain) 2000032, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
    6. K. Huang & Z. Liu, . "Staggered price-setting, staggered wage-setting, and business cycle persistence," Working Papers 2000-28, Utah State University, Department of Economics.
    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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