Research Papers

Published and Forthcoming Papers

"Let Them Have Choice: Gains from Shifting Away from Employer-Sponsored Health Insurance Towards an Individual Exchange"
American Economic Journal: Economic Policy, 2013, 5(1): 32-58. Also available as NBER Working Paper #15687 (with Leemore Dafny and Mauricio Varela).


"The Use of Full-line Forcing Contracts in the Video Rental Industry"
American Economic Review, 2012, 102(2): 686-719. Also available as NBER Working Paper #14588 (with Justin Ho and Julie Mortimer).


"Analyzing the Welfare Impacts of Full-line Forcing Contracts"
Journal of Industrial Economics, 2012, 60(3): 468-498. Also available as NBER Working Paper #16318 (with Justin Ho and Julie Mortimer).


"Do Physician Incentives Affect Hospital Choice? A Progress Report"
International Journal of Industrial Organization, 2011, 29: 317-322 (special issue for 37th EARIE Annual Conference) (with Ariel Pakes).


"Location and Competition in Retail Banking"
International Journal of Industrial Organization, 2011, 29(5): 537-546 (with Joy Ishii).
Winner of Paul Geroski Award for best paper of the year, International Journal of Industrial Organization 2012.


"An Individual Healthplan Exchange: Which Employees Would Benefit and Why?"
American Economic Review Papers and Proceedings, May 2010, 100: 485-498 (with Leemore Dafny and Mauricio Varela).


"Insurer-Provider Networks in the Medical Care Market"
American Economic Review, 2009, 99(1): 393-430.
Winner of Arrow Award for best paper of the year, International Health Economics Association 2010.


"Barriers to Entry of a Vertically Integrated Health Insurer: An Analysis of Welfare and Entry Costs"
Journal of Economics and Management Strategy, 2009, 18(2): 487-545.


"The Welfare Effects of Restricted Hospital Choice in the US Medical Care Market"
Journal of Applied Econometrics, 2006, 21(7): 1039-1079.
Winner of Richard Stone Prize in Applied Econometrics 2006-2007. Also available as NBER Working Paper 11819.


"The Business Case for Diabetes Disease Management for Managed Care Organizations"
Forum for Health Economics and Policy, 2007: Vol. 9: Iss. 1 (Frontiers in Health Policy Research)
(with David Cutler, Nancy Dean Beaulieu, George Isham, Tammie Lindquist, Andrew Nelson and Patrick O'Connor)


Working Papers

"Moment Inequalities and Their Application"
(with Ariel Pakes, Jack Porter and Joy Ishii), 2011 (revised and resubmitted, Econometrica).


"Hospital Choices, Hospital Prices and Financial Incentives to Physicians"
(with Ariel Pakes), 2012 (revise and resubmit, American Economic Review).


"Insurer Competition and Negotiated Hospital Prices"
(with Robin Lee), 2013.


Research in Progress

"Consumer Choice and Health Plans"
(with Fiona Scott Morton), 2013.