There is substantial evidence that cost-sharing in medical care constrains total health spending. However, there is relatively little (and unclear) evidence on its health effects, particularly in low- and middle-income countries. This paper re-evaluates the link between outpatient cost-sharing...

A central issue in designing performance incentive contracts is whether to reward the production of outputs versus use of inputs: the former rewards efficiency and innovation in production, while the latter imposes less risk on agents. Agents with varying levels of skill may perform better under...

A central issue in designing performance incentive contracts is whether to reward the production of outputs versus use of inputs: the former rewards efficiency and innovation in production, while the latter imposes less risk on agents. Agents with varying levels of skill may perform better under...

Narrow hospital networks have proliferated in health systems with managed care. We investigate the causal effect of network breadth on mortality leveraging the termination of the largest health insurer in Colombia. The termination caused a substantial increase in mortality accompanied by...