NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH

NBER Working Papers by Kyoung Won Park

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Working Papers

February 2014Relaxing Occupational Licensing Requirements: Analyzing Wages and Prices for a Medical Service
with Morris M. Kleiner, Allison Marier, Coady Wing: w19906
Occupational licensing laws have been relaxed in a large number of U.S. states to give nurse practitioners the ability to perform more tasks without the supervision of medical doctors. We investigate how these regulations may affect wages, employment, costs, and quality of providing certain types of medical services. We find that when only physicians are allowed to prescribe controlled substances that this is associated with a reduction in nurse practitioner wages, and increases in physician wages suggesting some substitution among these occupations. Furthermore, our estimates show that prescription restrictions lead to a reduction in hours worked by nurse practitioners and are associated with increases in physician hours worked. Our analysis of insurance claims data shows that the more ...
November 2010Battles Among Licensed Occupations: Analyzing Government Regulations on Labor Market Outcomes for Dentists and Hygienists
with Morris M. Kleiner: w16560
Occupational licensing is among the fastest-growing labor market institutions in the U.S. economy. One of the key features of occupational licensing is that the law determines who gets to do the work. In those cases where universally licensed occupations are both complements to and substitutes for one another in providing a service, the government determines who can do the tasks that are required for the consumer. In this study, we examine dentists and dental hygienists, who are both universally licensed and provide complementary services to patients, but may also be substitutes as service providers. We focus on the labor market implications of governmental requirements on permissible tasks and the supervision of hygienists’ activities by dentists. Since there are elements of monopsony in ...

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