Income inequality has been lower in periods when trade unionism has been strong. Using observations on wages by occupation, by geography, and by gender in collective bargaining contracts from the 1940s to the 1970s, patterns in movements of wage differentials are revealed. As wages increased,...

This paper analyzes differences in the growth of minority and female employment between union and non-union manufacturing plants in California during the late 1970's, In this sector, unionized plants do not exhibit anymore gross employment discrimination than do nonunion plants against black or...