Projects

(Accepted at Econometrica)

Asymmetric information and market power distort quality provision. Simple scores coordinate consumers on higher quality, marshaling their demand to offset producer market power.

(Revision requested at the Journal of Political Economy)

With Jose Ignacio Cuesta and Carlos Noton

Hospital-insurer integration leads to skewed plan generosity, harming hospital competition, increasing prices and premiums, and offsetting the gains from reduced double marginalization

With David Dranove and Sungjin Kim

Distant hospital mergers raise prices when employers overlap across markets, even with little patient substitution and across vast distances. Integrated systems appear to gain leverage over insurers competing for employer contracts.