Insurer Competition in Health Care Markets
---- Acknowledgements ----
This paper replaces an earlier working paper titled “Insurer Competition and Negotiated Hospital Prices.” We have benefited from helpful comments and suggestions from the editor and five anonymous referees, as well as numerous individuals (including Cory Capps, Allan Collard-Wexler, Greg Crawford, David Cutler, Leemore Dafny, Jan De Loecker, David Dranove, Martin Gaynor, Gautam Gowrisankaran, Phil Leslie, Julie Mortimer, Aviv Nevo, Ariel Pakes, Mike Riordan, Bob Town, Mike Whinston, and Ali Yurukoglu) and conference and seminar participants; and from exceptional research assistance from Patricia Foo. We acknowledge support from the NYU Stern Center for Global Economy and Business. All errors are our own. The authors have no other outside sources of funding and no relevant or material outside financial interests that relate to the research described in this paper. The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.