The pharmaceutical market has experienced a massive wave of vertical integration between pharmacy benefit managers (PBMs) and health insurers in recent years. Using a unique dataset on insurer-PBM contracts, we document increasing vertical integration in Medicare Part D-vertically integrated...

We explore how and to what extent prescription drug insurance expansions affect incentives for pharmaceutical advertising. When insurance expansions make markets more profitable, firms respond by boosting advertising. Theory suggests this effect will be magnified in the least competitive drug...

There are two salient facts about health care in low and middle-income countries; 1) the private sector plays an important role and 2) the care provided is often of poor quality. Despite these facts we know little about what drives quality of care in the private sector and why patients continue...

There are two salient facts about health care in low and middle-income countries; 1) the private sector plays an important role and 2) the care provided is often of poor quality. Despite these facts we know little about what drives quality of care in the private sector and why patients continue...

Monopolies appear throughout health care. We show that health insurance operates like a conventional two-part pricing contract that allows monopolists to extract profits without inefficiently constraining quantity. When insurers are free to offer a range of insurance contracts to different...