The aim of this study is to estimate the unexplained gender pay gap in individual departments of a Czech hospital, to find out whether this gap varies between departments and, if so, to identify the possible causes of these differences. To estimate the unexplained part of the gender pay gap, we use the average treatment effect on the treated (ATT), and to identify the causes behind differences in the unexplained gender pay gap we use a linear regression model. We find that the ATT varies significantly between departments. To explain these differences, we use selected characteristics of the departments: the department’s size, the proportion of women in the department, and the gender of the departmental head. We come to the conclusion that women’s wages increase relative to male wages as the proportion of female employees grows. On the other hand, the unexplained gender wage gap is not proven to be lower in smaller or female-led departments.
The paper analyzes the size of the gender pay gap (GPG) in the specific enterprise. The goal of the paper is to identify factors which could explain a possible wage difference between men and women, and to find out if there exists a wage discrimination of women or not. In order to estimate the discrimination, part of the GPG was used with the Oaxaca-Blinder decomposition. The authors conclude that wage discrimination of women really exists here. Different characteristics of men and women explain only - 16.5% to 6.2% of GPG. The rest of the GPG can be labelled (with a bit of simplification) as the effect of discrimination.
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