The size distribution of trade unions in the United States and changes in this distribution are documented. Because the most profound changes are taking place among very large unions, these are subject to special analysis by invoking Pareto's distribution. This represents a new application of...

Can conventional economic analysis help in defining and measuring the success of labor unions? In this paper, a general indicator of union welfare is proposed and particular expressions for the wage and employment objectives of unions are rearranged to derive measures of union success or...

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,...