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The wage premium puzzle and the quality of human capital

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  • Marquis, Milton H.
  • Trehan, Bharat
  • Tantivong, Wuttipan

Abstract

The wage premium for high-skilled workers in the United States, measured as the ratio of the 90th-to-10th percentiles from the wage distribution, increased by 20% from the 1970s to the late 1980s. A large literature has emerged to explain this phenomenon. A leading explanation is that skill-biased technological change (SBTC) increased the demand for skilled labor relative to unskilled labor. In a calibrated vintage capital model with heterogenous labor, this paper examines whether SBTC is likely to have been a major factor in driving up the wage premium. Our results suggest that the contribution of SBTC is very small, accounting for about 1/20th of the observed increase. By contrast, a gradual and very modest shift in the distribution of human capital across workers can easily account for the large observed increase in wage inequality.

Suggested Citation

  • Marquis, Milton H. & Trehan, Bharat & Tantivong, Wuttipan, 2014. "The wage premium puzzle and the quality of human capital," International Review of Economics & Finance, Elsevier, vol. 33(C), pages 100-110.
    • Handle: RePEc:eee:reveco:v:33:y:2014:i:c:p:100-110
    DOI: 10.1016/j.iref.2014.03.010
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    2. Zhang, Jingjing, 2015. "International factor mobility, elasticity of substitution in production and the skilled–unskilled wage gap," International Review of Economics & Finance, Elsevier, vol. 35(C), pages 122-129.
    3. Sun, Sizhong & Anwar, Sajid, 2015. "Taxation of labour, product varieties and skilled–unskilled wage inequality: Short run versus long run," International Review of Economics & Finance, Elsevier, vol. 38(C), pages 250-257.
    4. Anwar, Sajid & Sun, Sizhong, 2015. "Taxation of labour income and the skilled–unskilled wage inequality," Economic Modelling, Elsevier, vol. 47(C), pages 18-22.
    5. Maren M. Michaelsen, 2011. "The Hidden Increase in Wage Inequality: Skill-biased and Ability-biased Technological Change," Ruhr Economic Papers 0262, Rheinisch-Westfälisches Institut für Wirtschaftsforschung, Ruhr-Universität Bochum, Universität Dortmund, Universität Duisburg-Essen.
    6. Michaelsen, Maren M., 2011. "The Hidden Increase in Wage Inequality: Skill-biased and Ability-biased Technological Change," Ruhr Economic Papers 262, RWI - Leibniz-Institut für Wirtschaftsforschung, Ruhr-University Bochum, TU Dortmund University, University of Duisburg-Essen.
    7. Brandts, Jordi & Riedl, Arno, 2020. "Market interaction and efficient cooperation," European Economic Review, Elsevier, vol. 121(C).
    8. Brandts, J. & Riedl, A.M., 2016. "Market competition and efficient cooperation," Research Memorandum 006, Maastricht University, Graduate School of Business and Economics (GSBE).
    9. Riccardo Leoncini, 2017. "Innovation, inequality and the skill premium," SPRU Working Paper Series 2017-16, SPRU - Science Policy Research Unit, University of Sussex Business School.
    10. Riener, Gerhard & Wagner, Valentin, 2017. "Shying away from demanding tasks? Experimental evidence on gender differences in answering multiple-choice questions," Economics of Education Review, Elsevier, vol. 59(C), pages 43-62.

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    More about this item

    Keywords

    Wage premium; Skill-biased technical change; Vintage capital; Heterogenous labor supply;
    All these keywords.

    JEL classification:

    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity

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