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Inégalité salariale et segmentation endogène du marché du travail

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  • Laurence Rioux

Abstract

[fre] On présente un modèle de recherche bilatérale où les agents diffèrent par leur dotation en capital humain et où les travailleurs de différentes qualifications sont des substituts imparfaits : le processus d'appariement entre les agents se traduit alors par la segmentation endogène du marché du travail, et l'inégalité salariale va dépendre du degré de segmentation du marché du travail. Les principaux résultats sont les suivants : 1) la dispersion salariale globale ainsi que les dispersions entre les groupes et au sein des groupes augmente avec l'hétérogénéité relative du capital humain ; 2) l'inégalité salariale au sein des groupes diminue, alors que les inégalités globale et entre les groupes s'accroissent quand le processus d'appariement devient plus efficace ; 3) les dispersions salariales globale, entre les groupes et au sein des groupes augmentent sous l'effet du progrès technique. [eng] We present a two-sided search model where agents differ by their human capital endowment and where workers of different skill are imperfect substitutes. Then the labor market endogenously divides into disjoint segments and wage inequality will depend on the degree of labor market segmentation. The most important results are : 1) overall wage inequality as well as within-group and between-group inequalities increase with relative human capital inequality ; 2) within-group wage inequality decreases while between-group and overall wage inequalities increase with the efficiency of the search process ; 3) within-group, between-group and overall wage inequalities increase with technological changes.

Suggested Citation

  • Laurence Rioux, 1997. "Inégalité salariale et segmentation endogène du marché du travail," Revue Économique, Programme National Persée, vol. 48(5), pages 1177-1198.
  • Handle: RePEc:prs:reveco:reco_0035-2764_1997_num_48_5_409936
    Note: DOI:10.3406/reco.1997.409936
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    References listed on IDEAS

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    1. Lawrence F. Katz & Kevin M. Murphy, 1992. "Changes in Relative Wages, 1963–1987: Supply and Demand Factors," The Quarterly Journal of Economics, Oxford University Press, vol. 107(1), pages 35-78.
    2. Michael Kremer, 1993. "The O-Ring Theory of Economic Development," The Quarterly Journal of Economics, Oxford University Press, vol. 108(3), pages 551-575.
    3. Saint-Paul, Gilles, 1996. "Are the unemployed unemployable?," European Economic Review, Elsevier, vol. 40(7), pages 1501-1519, August.
    4. Lawrence F. Katz & Gary W. Loveman & David G. Blanchflower, 1995. "A Comparison of Changes in the Structure of Wages in Four OECD Countries," NBER Chapters,in: Differences and Changes in Wage Structures, pages 25-66 National Bureau of Economic Research, Inc.
    5. Juhn, Chinhui & Murphy, Kevin M & Pierce, Brooks, 1993. "Wage Inequality and the Rise in Returns to Skill," Journal of Political Economy, University of Chicago Press, vol. 101(3), pages 410-442, June.
    6. repec:hoo:wpaper:e-95-7 is not listed on IDEAS
    7. Levy, Frank & Murnane, Richard J, 1992. "U.S. Earnings Levels and Earnings Inequality: A Review of Recent Trends and Proposed Explanations," Journal of Economic Literature, American Economic Association, vol. 30(3), pages 1333-1381, September.
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