Holt and Laury, AER 2002, develop an experimental design to determine the risk aversion of an individual. They use their observations to argue that increased incentives appear to change risk attitudes, leading to greater risk aversion. However, their main treatment, the effects of scaling up the...

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...