This study uses establishment level data to examine the effect of unionism on the wage structure within establishments. The major finding is that unionism substantively reduces within-establishment dispersion of wages, in part through explicit wage practices, such as single rate or automatic...

This study examines the effect of trade unionism on the dispersion of wages among male wage and salary workers in the private sector in the United States. It finds that the application of union wage policies designed to standardize rates within and across establishments significantly reduces...