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Job Search, Human Capital and Wage Inequality

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  • Carrillo-Tudela, Carlos

    ()
    (University of Essex)

Abstract

The objective of this paper is to construct and quantitatively assess an equilibrium search model with on-the-job search and general human capital accumulation. In the model workers enter the labour market with different abilities and firms differ in their productivities. Wages are dispersed because of search frictions and workers' productivity differentials. The model generates a simple (log) wage variance decomposition that is used to measure the importance of firm and worker productivity differentials, frictional wage dispersion and workers' sorting dynamics. I calibrate the model using a sample of young workers for the UK. I show that wage inequality among low skilled workers is mostly due to differences in their productivities. Among medium skilled workers frictional wage dispersion and sorting dynamics are, together, as important as workers' productivity differentials. Differences in firms' productivities are also an important source of wage inequality for both skill groups and account for a large share of frictional wage dispersion. Quantitatively the model is able to reproduce the observed cross-sectional wage distribution, the average wage-experience profile and the amount of frictional wage dispersion observed in the data as measured by the Mean-min ratio.

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Bibliographic Info

Paper provided by Institute for the Study of Labor (IZA) in its series IZA Discussion Papers with number 6949.

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Length: 45 pages
Date of creation: Oct 2012
Date of revision:
Handle: RePEc:iza:izadps:dp6949

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Keywords: job search; human capital accumulation; wage dispersion; turnover;

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References

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  1. Andreas Hornstein & Per Krusell & Giovanni L. Violante, 2011. "Frictional Wage Dispersion in Search Models: A Quantitative Assessment," American Economic Review, American Economic Association, vol. 101(7), pages 2873-98, December.
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  31. Christian Bontemps & Jean-Marc Robin & Gérard J. Van Den Berg, 2000. "Equilibrium Search with Continuous Productivity Dispersion: Theory and Nonparametric Estimation," Working Papers 249986, Institut National de la Recherche Agronomique, France.
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Citations

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Cited by:
  1. Audra J. Bowlus & Huju Liu, 2012. "The Contributions of Search and Human Capital to Earnings Growth Over the Life Cycle," University of Western Ontario, CIBC Centre for Human Capital and Productivity Working Papers 20122, University of Western Ontario, CIBC Centre for Human Capital and Productivity.
  2. Volker Tjaden & Felix Wellschmied, 2011. "Exploring the Causes of Frictional Wage Dispersion," Bonn Econ Discussion Papers bgse04_2011, University of Bonn, Germany.
  3. Xiao, Chaoqun & Tang, Wansheng & Zhao, Ruiqing & Zhou, Chi, 2013. "Equilibrium search with heterogeneous firms, workers and endogenous human capital," MPRA Paper 52136, University Library of Munich, Germany.
  4. Tjaden, Volker & Wellschmied, Felix, 2012. "Exploring the Causes of Frictional Wage Dispersion," IZA Discussion Papers 6299, Institute for the Study of Labor (IZA).

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