Chocs de demande et fluctuations du taux de marge : une Žvaluation du modle de collusion implicite

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Chocs de demande et fluctuations du taux de marge : une Žvaluation du modle de collusion implicite

Author Info

FrŽdŽric DUFOURT (EUREQUA, UniversitŽ de Paris 1)

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Frédéric Dufourt

Abstract

Cet article propose une Žvaluation quantitative du modle de collusion implicite de Rotemberg et Woodford (1992), en s'appuyant sur une version totalement spŽcifiŽe qui permet notamment une dŽtermination analytique de l'ŽlasticitŽ du taux de marge face aux variations de la demande agrŽgŽe. Dans ce cadre, on montre qu'un tel mŽcanisme ne parvient pas ˆ gŽnŽrer des effets rŽels suffisants pour reproduire un certain nombre de faits stylisŽs importants associŽs aux chocs de demande, tels que la rŽaction procyclique de la production, de l'emploi et du salaire rŽel. ComparŽ ˆ des mŽcanismes concurrents de fluctuations des marges ŽvaluŽs dans un cadre analytique similaire, le mŽcanisme de collusion implicite semble donc avoir des difficultŽs ˆ s'imposer ˆ lui seul comme une explication dominante de la transmission des chocs de demande ˆ l'activitŽ Žconomique.

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Paper provided by Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES) in its series Discussion Papers (REL - Recherches Economiques de Louvain) with number 2001015.

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Length: 21
Date of creation: 01 Mar 2001
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Handle: RePEc:ctl:louvre:2001015

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E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles

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Rotemberg, Julio J & Woodford, Michael, 1996. "Imperfect Competition and the Effects of Energy Price Increases on Economic Activity," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 28(4), pages 550-77, November.
Other versions:
- Julio J. Rotemberg & Michael Woodford, 1996. "Imperfect Competition and the Effects of Energy Price Increases on Economic Activity," NBER Working Papers 5634, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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. [Downloadable!] (restricted)
Other versions:
- Hairault, J.O. & Portier, F., 1992. "Money New-Keynesian Macroeconomics and the Business Cycles," Papiers d'Economie MathÃÂ©matique et Applications 92.32, UniversitÃ© PanthÃ©on-Sorbonne (Paris 1).
Dixit, Avinash K & Stiglitz, Joseph E, 1977. "Monopolistic Competition and Optimum Product Diversity," American Economic Review, American Economic Association, vol. 67(3), pages 297-308, June. [Downloadable!] (restricted)
Other versions:
- Dixit, Avinash K & Stiglitz, Joseph E, 1975. "Monopolistic Competition and Optimum Product Diversity," The Warwick Economics Research Paper Series (TWERPS) 64, University of Warwick, Department of Economics. [Downloadable!]
Jordi Gali, 1999. "Technology, Employment, and the Business Cycle: Do Technology Shocks Explain Aggregate Fluctuations?," American Economic Review, American Economic Association, vol. 89(1), pages 249-271, March. [Downloadable!] (restricted)
Other versions:
- Jordi Gali, 1996. "Technology, Employment, and the Business Cycle: Do Technology Shocks Explain Aggregate Fluctuations," NBER Working Papers 5721, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
- Gali, J., 1996. "Technology, Employment, and the Business Cycle: Do Technology Shocks Explain Aggregate Fluctuations?," Working Papers 96-28, C.V. Starr Center for Applied Economics, New York University. [Downloadable!]
- Galí, Jordi, 1996. "Technology, Employment, and the Business Cycle: Do Technology Shocks Explain Aggregate Fluctuations?," CEPR Discussion Papers 1499, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)

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