We estimate the effects of hospital mergers, using detailed data containing medical supply
transactions (representing 23% of operating costs) from a sample of US hospitals, 2009 …

Abstract The United States pays more for medical care than any other nation in the world,
including for prescription drugs. These costs are inequitably distributed, as individuals from …

In this chapter we outline the tools that have been developed to model and analyze
competition and regulation in health care markets, and describe particular papers that apply …

This study investigates the role of retail pharmacy ownership in the opioid epidemic. Using
data of prescription opioid orders, we show that compared with chain pharmacies …

In markets where consumers seek expert advice regarding purchases, firms seek to
influence experts, raising concerns about biased advice. Assessing firm-expert interactions …

Abstract Pharmacy Benefit Managers (PBMs) originated in the 1960s to address a market
need providing services to insurance companies in managing the newly introduced …

This article presents recent advances in the analysis of buyer-seller networks, with a
particular focus on the role of buyer power on exclusion. We first examine simple vertical …

We study how firms target and influence expert intermediaries. In our context,
pharmaceutical manufacturers provide payments to physicians during promotional …

Despite their importance to the supply of prescription drugs, there has been limited research
on pharmacy benefit managers (PBMs) and their vertical relationships to insurers and drug …

We study the effect of privatizing Medicaid drug benefits on drug prices and utilization. Drug
spending would decrease by 21.3 percent if private insurers administered all drug benefits …