Research

Working Papers and Projects

 

Targeting of Information Interventions: Impact on SNAP Participation, with Eduardo Morales, 2024

 

U.S. Drug Pricing and Global Pharmaceutical R&D, with Ariel Pakes, 2024

 

Contracting over Rebates: Formulary Design and Pharmaceutical Spending, with Robin Lee, 2023

 

 

Published and Forthcoming Papers

 

How do Manufacturer Copayment Coupons Affect Branded Drug Prices and Quantities Purchased? 

With Leemore Dafny and Edward Kong. American Economic Journal: Economic Policy, conditionally accepted, 2023. Also available as NBER Working Paper 29735.

Online appendices are here.

 

Market Segmentation and Competition in Health Insurance

With Mike Dickstein and Nathaniel Mark. Journal of Political Economy, forthcoming, 2023. Also available as NBER Working Paper 29406.

Online appendices are here.

 

Health Insurance Menu Design for Large Employers 

With Robin Lee. RAND Journal of Economics, 2023, 54(4): 598-637. Also available as NBER Working Paper 27868.

Online appendices are here.

 

Equilibrium Provider Networks: Bargaining and Exclusion in Health Care Markets

With Robin Lee. American Economic Review, 2019, 109(2): 473-522. Also available as NBER Working Paper 23742 and CEPR Discussion Paper 13096.

Online appendices are here.

 

The Price Effects of Cross-Market Mergers: Theory and Evidence from the Hospital Industry 

With Leemore Dafny and Robin Lee. RAND Journal of Economics, 2019, 50(2): 286-325. Also available as NBER Working Paper 22106.

 

Insurer Competition in Health Care Markets
With Robin Lee. Econometrica, 2017, 85(2): 379-417. Also available as NBER Working Paper 19401 and CEPR Discussion Paper 10812. 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.


Moment Inequalities and Their Application
With Ariel Pakes, Jack Porter and Joy Ishii. Econometrica, 2015, 83(1): 315-334. Earlier and longer version is here.


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. 


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. 

  • 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. 

  • 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. Also available as NBER Working Paper 11819.

  • Richard Stone Prize in Applied Econometrics 2006-2007.


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).

 

Other Publications

 

The Industrial Organization of Health Care Markets

With Ben Handel, August 2021. In K. Ho, A. Hortacsu, A. Lizzeri (Eds.), Elsevier, Handbook of Industrial Organization (Volume 5). Also available as NBER Working Paper 29137.

 

Who Will Be Our Moral Conscience Now? A Tribute to Uwe Reinhardt

With Janet Currie, B. Rose Kelly and Ilyana Kuziemko, Health Affairs Blog, August 8, 2019. DOI: 10.1377/hblog20190805.922868.

 

Partial Identification in Applied Research: Benefits and Challenges
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.