Labor unions are known to improve wages and benefits for their members. Yet economic results are not all that unions accomplish. They also make a difference in democratic politics by lobbying for policies, by providing money and volunteers in elections – and also by fostering leadership skills among their members and helping some win elected public offices.

The role of unions in helping members win elected office has not received as much scholarly attention as the other economic and political functions unions perform. In part that is because this function is not easy to study in a rigorous, empirical manner. I have devised a new way to test the hypothesis that unions foster elected officials – and my findings open the door for further explorations of how union membership facilitates electoral careers – and why this matters. more...