Quality Disclosure and Regulation: Scoring Design in Medicare Advantage

(Revision requested at Econometrica)

What makes a good quality score and how do we go about designing one?

Vertical Integration between Hospitals and Insurers

With Jose Ignacio Cuesta and Carlos Noton

An analysis of the welfare effects of vertical integration between insurers and hospitals

Spooky Action at a Distance: Why Do Cross-Market Mergers Affect Prices?

With David Dranove

Hospital $A$ acquires far-away hospital $B$. They share no common demand, yet the prices of $B$ go up. How can this be? Also, is $B$ a typical hospital?