Since the early seventies, hundreds of authors have calculated gender wage differentials between women and men of equal productivity. This meta-study provides a quantitative review of this vast amount of empirical literature on gender wage discrimination as it concerns differences in...

This paper evaluates the impact of economic and legal variables on wage differentials between men and women. Since Becker (1957) economists have argued that competitive markets eliminate discrimination in the long run. On the other hand, practically all countries have enacted some sort of law...