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An Empirical Model of Wage Dispersion with Sorting

  • Jesper Bagger


    (Royal Holloway, University of London)

  • Rasmus Lentz

    (University of Wisconsin-Maddison)

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    This paper studies wage dispersion in an equilibrium on-the-job-search model with endogenous search intensity. Workers differ in their permanent skill level and firms differ with respect to productivity. Positive (negative) sorting results if the match production function is supermodular (submodular). The model is estimated on Danish matched employer-employee data. We find evidence of positive assortative matching. In the estimated equilibrium match distribution, the correlation between worker skill and firm productivity is 0.12. The assortative matching has a substantial impact on wage dispersion. We decompose wage variation into four sources: Worker heterogeneity, firm heterogeneity, frictions, and sorting. Worker heterogeneity contributes 51% of the variation, firm heterogeneity contributes 11%, frictions 23%, and finally sorting contributes 15%. We measure the output loss due to mismatch by asking how much greater output would be if the estimated population of matches were perfectly positively assorted. In this case, output would increase by 7.7%.

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    Paper provided by School of Economics and Management, University of Aarhus in its series Economics Working Papers with number 2014-11.

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    Length: 53
    Date of creation: 01 Apr 2014
    Date of revision:
    Handle: RePEc:aah:aarhec:2014-11
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