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Earnings Penalty of Educational Mismatch: A Comparison of Alternative Methods of Assessing Over-Education

Author

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  • Wen, Le

    (University of Auckland)

  • Maani, Sholeh A.

    (University of Auckland)

Abstract

In this paper we systematically evaluate the impact of using the alternative methods conventionally used in the international literature on the measured incidence of educational mismatch and its earnings effects. We use a rich Australian longitudinal data set for a controlled group of full-time employed workers. Using panel data estimation, we address individual heterogeneity and measurement error, which are important in educational mismatch analysis. We show that alternative methods of measurement result in a range of estimates, with the Mode measure providing the most stable results across instrumental variables (IV) selections in panel fixed effects instrumental variables (FEIV) estimations. Based on the Mode measure, the incidence rate of over-education is 32.3%. The earnings penalty for each year of over-education is 2.5%, which is larger than 0.6% in fixed effect estimation and also larger than 1.9% in OLS estimations.

Suggested Citation

  • Wen, Le & Maani, Sholeh A., 2023. "Earnings Penalty of Educational Mismatch: A Comparison of Alternative Methods of Assessing Over-Education," IZA Discussion Papers 15943, Institute of Labor Economics (IZA).
    • Handle: RePEc:iza:izadps:dp15943
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    References listed on IDEAS

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    More about this item

    Keywords

    over-education; education mismatch; earnings; measurement error; instrumental variable;
    All these keywords.

    JEL classification:

    • J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials

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