This chapter reviews the theory and empirical literature on physician market power, behavior, and motives, referred to collectively as the issue of physician agency. The chapter is organized around an increasingly complex view of the demand conditions facing a physician, beginning with the most...

We analyze the evolution of health insurer costs in Massachusetts between 2010-2012, paying particular attention to changes in the composition of enrollees. This was a period in which Health Maintenance Organizations (HMOs) increasingly used physician cost control incentives but Preferred...

Important differences in labor market characteristics suggest that men and women physicians may be viewed as imperfect substitutes in the labor market. Concerns about efficiency and cost-cutting, which have led to the adoption of managed care practices, may have (unintentionally) favored female...