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The Public Sector Wage Premium in Spain: Evidence from Longitudinal Administrative Data

Author

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  • Hospido, Laura

    (Bank of Spain)

  • Moral-Benito, Enrique

    (Bank of Spain)

Abstract
This paper studies the public sector wage gap in Spain, by gender, skill level and type of contract, using recent administrative data from tax records. We estimate wage distributions in the presence of covariates separately for men and women in the public and in the private sectors, and we take advantage of the longitudinal structure of the data to control for selection. We find a positive public wage premium for men and women even after accounting for characteristics and endogenous selection; the observed average gap in hourly wages of 35 log points is reduced to 20 when accounting for observed characteristics, and to 10 once endogenous selection is also taken into consideration. We also find substantial variation in the public premium along the wage distribution once observed characteristics are accounted for. This variation, however, is offset by opposite patterns of selection into the public sector: while we observe positive selection into the public sector at the bottom of the wage distribution, workers at the top of the distribution select negatively into the public sector.

Suggested Citation

  • Hospido, Laura & Moral-Benito, Enrique, 2014. "The Public Sector Wage Premium in Spain: Evidence from Longitudinal Administrative Data," IZA Discussion Papers 8315, Institute of Labor Economics (IZA).
    • Handle: RePEc:iza:izadps:dp8315
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    More about this item

    Keywords

    wage distribution; quantile regression; public sector wage gap; panel data;
    All these keywords.

    JEL classification:

    • C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
    • C23 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Models with Panel Data; Spatio-temporal Models
    • J31 - Labor and Demographic Economics - - Wages, Compensation, and Labor Costs - - - Wage Level and Structure; Wage Differentials
    • J45 - Labor and Demographic Economics - - Particular Labor Markets - - - Public Sector Labor Markets

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