Location-specific norms of behavior are a widespread phenomenon. In the case of medical practice, numerous studies have found that geographic location exerts a strong influence on the choice of treatments and procedures. This paper shows how the presence of social influence on treatment...

Location-specific norms of behavior are a widespread phenomenon. In the case of medical practice, numerous studies have found that geographic location exerts a strong influence on the choice of treatments and procedures. This paper shows how the presence of social influence on treatment...

This paper analyzes the role of referrals in the provision of surgical services. Primary physicians in managed care control patient access to specialists, while referrals in traditional insurance plans are less constrained. The traditional, fee-for-service insurance market is shown to achieve...