Competition in Health Insurance Markets

That is the title of a Journal of Economic Perspectives article by Martin Gaynor and Amanda Starc (2026). The article provides an overview of the current levels of competition in US health insurance markets, considers theoretic issues in what levels of competition are optimal, what empirical studies have found of the impact of competition and…

The Long and Winding Road: 75 Years of Competition in Health Care Policy

When health economics emerged as a distinct discipline in the late 1960s, mainstream academic and policy paradigms widely presumed that competitive market mechanisms were structurally incompatible with medical delivery. Influenced by foundational ideas like Kenneth Arrow’s 1963 landmark paper emphasizing the pervasive friction of clinical uncertainty, early experts argued that society had to look almost…

Competition in generic drug markets

There is even less competition then we may have thought according to a paper out this month by Socal et al. (2023): We identified a total of 565 facilities producing 1,379 unique generic APIs across forty-two countries. India, China, and Italy were the top producers; 14 percent of APIs were manufactured in the US. About a…

Market consolidation in California

Yesterday, I discussed the idea of managed competition in California.  One of the original tenets of managed competition was insurers having integrated, mutually exclusive provider networks.  This would mean much more consolidation on the provider side.  While this could improve quality, there is also a risk that prices could rise.  In fact, this is what…

The importance of competition in ACA marketplaces

Competition matters for markets…even health care markets. A paper by Van Parys (2018) relies on a database of plan premium and market characteristics among states with federally-facilitated health insurance exchange Marketplaces.  In this analysis, she finds that: In 2018, Marketplace premiums were 50 percent ($180) higher, on average, in rating areas with monopolist insurers, compared…