ABSTRACTMedicare adjusts its payments to physicians for geographic differences in the cost of operating a medical practice, but the method it uses is imprecise. We measure the inaccuracy in its geographic adjustment factors and categorize beneficiaries by whether they live where Medicare's...

This paper examines a labor market with two professional groups both cooperating and directly competing with each other: certified registered nurse anesthetists (CRNAs) and anesthesiologists (MDAs). We develop a model where the supply of MDAs endogenously determines (1) the earnings of CRNAs and...

The purpose of this study is to examine the causes and effects of State regulation that determines the extent of professional independence of advanced practice nurses (APNs). We analyze determinants of these regulations in panel data across States. We find that in States where APNs have acquired...

This paper examines the changes in the market for lawyers in the United States over several decades. Reviewing data from 1981 through 2012, we find that the quality of entrants to this market, as measured by the rate of attrition from law schools and mean scores on the Multistate Bar Exam, is...

The purpose of this study is to examine the causes and effects of State regulation that determines the extent of professional independence of advanced practice nurses (APNs). We analyze determinants of these regulations in panel data across States. We find that in States where APNs have acquired...