Abstract
This paper examines the political power of labor unions. A model of the decision of an interest group to contribute to a political campaign is developed and tested. The empirical evidence indicates that interest groups, and unions in particular, use political contributions in a systematic and coordinated manner. Unions give money to candidates with relatively little seniority (who might otherwise not be elected) and to candidates from districts with about the average number of union members. Such candidates might otherwise not vote as the union would desire. The influence of campaign contributions and of union membership on the voting of congressmen on issues of interest to unions is also investigated. Union membership is sometimes significant and campaign contributions are always significant in explaining voting on minimum wages, wageprice controls, benefits for strikers, and OSHA and CETA appropriations. The indirect economic effects of labor unions — those effects which occur because unions influence legislation — may be as important as the direct effects which occur through collective bargaining.
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Kau, J.B., Rubin, P.H. The impact of labor unions on the passage of economic legislation. Journal of Labor Research 2, 133–145 (1981). https://doi.org/10.1007/BF02685126
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DOI: https://doi.org/10.1007/BF02685126