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…

From Weight Loss to Lasting Value: The Economic Case for Structured Exercise in GLP-1 Therapy

That is the title of a recent white paper written by myself and Kristy Piccinini alongside a team from the Health and Fitness Association (Greta Wagner, Amy Bantham, Ken Griffin, Richard Beddie, Zach Weston, Cameron Saunders). Below is an excerpt: In recent years, glucagon-like-peptide-1 (GLP-1) receptor agonists have emerged as a transformative treatment option, enabling…

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…

What is a Dandelion?

From the very interesting book Why Fish Don’t Exist by Lulu Miller. To some people, a dandelion might look like a weed, but to others that same plant can be so much more. To an herbalist, it’s a medicine–a way of detoxifying the liver, clearing the skin, and strengthening the eyes. To a painter, it’s…

The Scientific Frontier of Ingestible Sensors

Ingestible sensors are emerging as a promising frontier in gastroenterology, offering a minimally invasive way to monitor the gastrointestinal (GI) tract in real time. Instead of relying solely on endoscopy or colonoscopy—which are costly, invasive, and often avoided by patients—swallowable devices can capture biochemical signals such as gases and redox balance as they pass through…