(Revision requested at Econometrica)
What makes a good quality score and how do we go about designing one?
With Jose Ignacio Cuesta and Carlos Noton
An analysis of the welfare effects of vertical integration between insurers and hospitals
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?
With Victoria Marone
An analysis of policy proposals that would decouple health risk pools from employment pools in the US.