Working Papers and ProjectsMarket Segmentation and Competition in Health Insurance, with Mike Dickstein and Nathan Mark, 2019
Published and Forthcoming Papers
Media coverage: APM Marketplace
With Robin Lee. Econometrica, 2017, 85(2): 379-417. Also available as NBER Working Paper 19401 and CEPR Discussion Paper 10812.
Subsumes a previous working paper entitled "Insurer Competition and Negotiated Hospital Prices''. Online appendix is here.
The Impact of Consumer Inattention on Insurer Pricing in the Medicare Part D Program
With Joe Hogan and Fiona Scott Morton. RAND Journal of Economics, 2017, 48(4): 877-905. Also available as NBER Working Paper 21028
and CEPR Discussion Paper 10976.
The Evolution of Health Insurer Costs in Massachusetts, 2010-12
With Ariel Pakes and Mark Shepard. 2018. Review of Industrial Organization Special Issue on I.O. of Healthcare Markets, 53(1), 117-137.
https://doi.org/10.1007/s11151-018-9623-2. Also available as NBER Working Paper 22835.
The Industrial Organization of Health Care Markets
With Martin Gaynor and Robert J. Town. Journal of Economic Literature, 2015, 53(2): 235-284. Also available as NBER Working Paper 19800.
Hospital Choices, Hospital Prices and Financial Incentives to Physicians
With Ariel Pakes. American Economic Review, 2014, 104(12): 3841-84. Also available as NBER Working Paper 19333. Online appendices are here.
Coverage in London School of Economics USApp Blog
Let Them Have Choice: Gains from Shifting Away from Employer-Sponsored Health Insurance Towards an Individual Exchange
With Leemore Dafny and Mauricio Varela. American Economic Journal: Economic Policy, 2013, 5(1): 32-58. Also available as NBER Working Paper 15687.
The Use of Full-line Forcing Contracts in the Video Rental Industry
With Justin Ho and Julie Mortimer. American Economic Review, 2012, 102(2): 686-719. Also available as NBER Working Paper 14588.
Analyzing the Welfare Impacts of Full-line Forcing Contracts
With Justin Ho and Julie Mortimer. Journal of Industrial Economics, 2012, 60(3): 468-498. Also available as NBER Working Paper 16318.
Location and Competition in Retail Banking
With Joy Ishii. International Journal of Industrial Organization, 2011, 29(5): 537-546. Winner of Paul Geroski Award for best paper of the year, International Journal of Industrial Organization 2012.
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
With David Cutler, Nancy Dean Beaulieu, George Isham, Tammie Lindquist, Andrew Nelson and Patrick O'Connor. Forum for Health Economics and Policy, 2007: Vol. 9: Iss. 1 (Frontiers in Health Policy Research).
With Adam Rosen, 2017. In B. Honore, A. Pakes, M. Piazzesi, L. Samuelson (Eds.), Advances in Economics and Econometrics: Eleventh World Congress (Econometric Society Monographs) (Volume II), pp. 307-359. Also available as NBER Working Paper 21641, CEPR Discussion Paper 10883, and CEMMAP Working Paper CWP64/15.
Narrow Medical Provider Networks: Welfare Implications and Approaches to Market Design
With Robin Lee, 2016. In preparation for Oxford University Press Volume IV: "More Fair by Design: Economic design responses to inequality". Eds. Scott Duke Kominers and Alex Teytelboym.
Physician Payment Reform and Hospital Referrals
With Ariel Pakes. American Economic Review Papers and Proceedings, May 2014, 104(5): 200-205.
Do Physician Incentives Affect Hospital Choice? A Progress Report
With Ariel Pakes. International Journal of Industrial Organization, 2011, 29: 317-322 (special issue for 37th EARIE Annual Conference).
An Individual Healthplan Exchange: Which Employees Would Benefit and Why?
With Leemore Dafny and Mauricio Varela. American Economic Review Papers and Proceedings, May 2010, 100: 485-498.