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The gender wage gap among PhD holders: an empirical examination based on Italian data

Author

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  • Alfano, Vincenzo
  • Cicatiello, Lorenzo
  • Gaeta, Giuseppe Lucio
  • Pinto, Mauro

Abstract

A growing number of academic studies are devoting their attention to the study of the gender wage gap. This paper contributes to the literature by analyzing the existence of this gap specifically among those who hold the highest possible educational qualification, i.e. a PhD. The analysis relies on Italian crosssectional data collected through a highly representative survey of the employment conditions of PhD holders. The econometric analysis is carried out by means of OLS regression, Oaxaca-Blinder decomposition analysis and quantile decomposition. Findings suggest that a gender gap in hourly wages exists among PhD holders, that it lies approximately between 5% and 8%, with sizeable differences by sector of employment and field of specialization, and that such a gap is largely unexplained.

Suggested Citation

  • Alfano, Vincenzo & Cicatiello, Lorenzo & Gaeta, Giuseppe Lucio & Pinto, Mauro, 2019. "The gender wage gap among PhD holders: an empirical examination based on Italian data," GLO Discussion Paper Series 393, Global Labor Organization (GLO).
  • Handle: RePEc:zbw:glodps:393
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    References listed on IDEAS

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    1. Giuseppe Lucio Gaeta & Giuseppe Lubrano Lavadera & Francesco Pastore, 2017. "Much Ado about Nothing? The Wage Penalty of Holding a PhD Degree but Not a PhD Job Position," Research in Labor Economics, in: Solomon W. Polachek & Konstantinos Pouliakas & Giovanni Russo & Konstantinos Tatsiramos (ed.), Skill Mismatch in Labor Markets, volume 45, pages 243-277, Emerald Publishing Ltd.
    2. Giuseppe Lucio Gaeta, 2015. "Was it worth it? An empirical analysis of over-education among PhD recipients in Italy," International Journal of Social Economics, Emerald Group Publishing, vol. 42(3), pages 222-238, March.
    3. Sara Rica & Juan Dolado & Vanesa Llorens, 2008. "Ceilings or floors? Gender wage gaps by education in Spain," Journal of Population Economics, Springer;European Society for Population Economics, vol. 21(3), pages 777-778, July.
    4. Rajagopal, 2014. "The Human Factors," Palgrave Macmillan Books, in: Architecting Enterprise, chapter 9, pages 225-249, Palgrave Macmillan.
    5. Gaeta, Giuseppe Lucio & Lubrano Lavadera, Giuseppe & Pastore, Francesco, 2016. "Much Ado About Nothing? The Wage Effect of Holding a Ph.D. Degree But Not a Ph.D. Job Position," IZA Discussion Papers 10051, Institute of Labor Economics (IZA).
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    Cited by:

    1. Giuseppe Lucio Gaeta & Giuseppe Lubrano Lavadera & Francesco Pastore, 2022. "The Effect of Job–Education Vertical Mismatch on Wages Among Recent PhD Graduates: Evidence From an Instrumental Variable Analysis," Italian Economic Journal: A Continuation of Rivista Italiana degli Economisti and Giornale degli Economisti, Springer;Società Italiana degli Economisti (Italian Economic Association), vol. 8(1), pages 197-225, March.

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    More about this item

    Keywords

    gender wage gap; return on education; Oaxaca-Blinder decomposition; quantile decomposition;
    All these keywords.

    JEL classification:

    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
    • J71 - Labor and Demographic Economics - - Labor Discrimination - - - Hiring and Firing

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