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Équilibre général stochastique et dynamique non-walrasienne du marché du travail

  • François Langot
  • Arnaud Chéron

[eng] This article seeks to assess the contribution of a non-Walrasian model of the labor market to an analysis of economic dynamics. We begin by discussing our model’s capacity to reproduce a labor volatility comparable to that of GDP , a lesser volatility of real wages, and the acyclical behavior of real wages. We show that the real rigidities introduced by the matching process, combined with a particular specification of bargained wages, enable us to make a wholly satisfactory description of these observed labor-market properties. After this empirical validation, we use the model to quantify the impact of a policy to combat unemployment. We examine the introduction of hiring subsidies to firms. We show that a labor tax has a lower social cost than a capital-tax adjustment as a means of financing this measure. [fre] L’objectif de cette contribution est d’évaluer l’apport d’une modélisation non-walrasienne du marché du travail lorsque l’on analyse la dynamique économique. Dans un premier temps, la capacité de notre modèle à reproduire une volatilité de l’emploi comparable à celle du PIB, une volatilité du salaire réel plus réduite et a-cyclicité du salaire réel est évaluée. Nous montrons que les rigidités réelles introduites par le processus d’appariement combinées à une spécification particulière du salaire négocié permettent de rendre compte de façon tout à fait satisfaisante de ces propriétés observées du marché du travail. Après cette validation empirique, le modèle est utilisé pour quantifier l’impact d’une politique de lutte contre le chômage. Nous proposons d’examiner la mise en place de subventions à l’embauche pour les entreprises. Pour financer cette mesure, nous montrons qu’une taxe sur le travail s’avère moins coûteuse socialement qu’un ajustement de la fiscalité sur le capital.

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File URL: http://dx.doi.org/doi:10.3406/ecop.2008.7807
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File URL: http://www.persee.fr/doc/ecop_0249-4744_2008_num_183_2_7807
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Article provided by Programme National Persée in its journal Économie & prévision.

Volume (Year): 183 (2008)
Issue (Month): 2 ()
Pages: 93-113

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Handle: RePEc:prs:ecoprv:ecop_0249-4744_2008_num_183_2_7807
Note: DOI:10.3406/ecop.2008.7807
Contact details of provider: Web page: http://www.persee.fr/collection/ecop

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  12. Arthur J. Hosios, 1990. "On The Efficiency of Matching and Related Models of Search and Unemployment," Review of Economic Studies, Oxford University Press, vol. 57(2), pages 279-298.
  13. Merz, Monika, 1995. "Search in the labor market and the real business cycle," Journal of Monetary Economics, Elsevier, vol. 36(2), pages 269-300, November.
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