This paper presents a modified and improved methodology for the decomposition of wage differentials between two groups … of workers into an endowment component and a discrimination component. The standard decomposition technique does not take … into the wage differential decompositions, two statistical methodologies are merged: the Oaxaca methodology and the Heckman …

findings on gender discrimination, and while they have identified a bias against hiring women in some labor market segments …, the discrimination detected in field experiments is less pervasive than that implied by the regression approach …