Unions Did Great Things for the Working Class

Politically and economically, unions are sort of an odd duck. They aren’t part of the apparatus of the state, yet they depend crucially on state protections in order to wield their power. They’re stakeholders in corporations, but often have adversarial relationships with management. Historically, unions are a big reason that the working class won many of the protections and rights it now enjoys, but they often leave the working class fragmented and divided -- between different companies, between union and non-union workers, and even between different ethnic groups.

Economists, too, have long puzzled about how to think about unions. They don’t fit easily into the standard paradigm of modern economic theory in which atomistic individuals and companies abide by rules overseen by an all-powerful government. Some economists see unions as a cartel, protecting insiders at the expense of outsiders. According to this theory, unions raise wages but also drive up unemployment. This is the interpretation of unions taught in many introductory courses and textbooks.

First, even back in the 1970s, some economists realized that unions do a lot more than just push up wages. In a 1979 paper entitled “The Two Faces of Unionism,” economists Richard Freeman and James Medoff argued that “by providing workers with a voice both at the workplace and in the political arena, unions can and do affect positively the functioning of the economic and social systems.”

Freeman and Medoff cite data showing that unions reduced turnover, which lowers costs associated with constantly finding and training new workers. They also show that unions engaged in political activity that benefitted the working class more broadly, rather than just union members. And they showed that contrary to popular belief, unions actually decreased racial wage disparities. Finally, Freeman and Medoff argue that by defining standard wage rates within industries, unions actually reduced wage inequality overall, despite the cartel-like effect emphasized in econ textbooks.

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