"We demonstrate the value of "equal pay" policies in teams, even when team members have distinct abilities and make different contributions to team performance. A commitment to compensate all team members in identical fashion eliminates the incentive that each team member otherwise has to...

"We introduce concerns with inequity into the canonical adverse selection model. We find that aversion to ex post inequity is not constraining for the principal if the two agents are identical ex ante, but generally is constraining when the agents differ ex ante. Constraining equity concerns can...

We develop a model of competition among health maintenance organizations (HMOs) to analyze the effects of market power, scale economies, and asymmetric knowledge of health risk on market outcomes. We find that competition among HMOs may, but need not, ensure socially preferred outcomes. Market...

We examine how to procure health care services at minimum cost while preventing suppliers from refusing to care for high-cost patients. A single risk-adjusted prospective payment is optimal only when it is particularly costly for the supplier to discover likely treatment costs. Cost sharing is...