"Antitrust law has very rarely been used by workers to challenge anticompetitive employment practices. Yet recent empirical research shows that labor markets are highly concentrated, and that employers engage in practices that harm competition and suppress wages. These practices include...

This paper quantifies the extent to which the U.S. manufacturing labor market is characterized by employer market power and how such market power has changed over time. We find that the vast majority of U.S. manufacturing plants operate in a monopsonistic environment and, at least since the...