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The Origins and Evolution of Occupational Licensing in the United States
The analysis of occupational licensing has concentrated largely on its labor market and consumer welfare effects. By contrast, relatively little is known about how occupational licensing laws originated or the key factors in their evolution. In this paper, we study the determinants of U.S. licensing requirements from 1870 to 2020. We begin by developing a model where licensing arises as an endogenous political outcome and use this framework to study how market characteristics and political incentives influence regulators’ choices. Our empirical analysis draws on a novel database tracking ...