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

Hospido, L. and Moral-Benito, E. (2016): The Public Sector Wage Premium in Spain: Evidence from Longitudinal Administrative Data, Labour Economics,

http://dx.doi.org/10.1016/j.labeco.2016.08.001

 

Highlights

We study the public sector wage gap in Spain using administrative records

We find a significant wage premium for men and women even after accounting for characteristics and endogenous selection

We document substantial variation in the premium along the wage distribution once observed characteristics are accounted for

This variation is offset by opposite patterns of selection into the public sector, with positive selection at the bottom of the wage distribution and negative at the top


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.

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