"Should There be Vertical Choice in Health Insurance Markets?" with Adrienne Sabety. July 2020. Revise and Resubmit, American Economic Review. [New Version March 2021]


"Regulating Markups in U.S. Health Insurance" with Steve Cicala and Ethan Lieber. American Economic Journal: Applied Economics, October 2019.

"Narrow Networks on the Health Insurance Marketplaces: Prevalence, Pricing, And The Cost Of Network Breadth" with Leemore Dafny, Igal Hendel, and Christopher Ody. Health Affairs, September 2017.


"All Medicaid Expansions Are Not Created Equal: The Geography and Targeting of the Affordable Care Act" with Craig Garthwaite, John Graves, Tal Gross, Zeynal Karaca, and Matthew Notowidigdo. Brookings Institute, September 2019. NBER Working Paper No. 26289.

"Oscar Health Insurance: What Lies Ahead for a Unicorn Insurance Entrant?" with Leemore Dafny. Harvard Business School Case 319-025, August 2018 (Revised August 2019).


"Winners and Losers Under Counterfactual Health Risk Pooling" with Benjamin Vatter

"Optimal Insurance With a Choice of Healthcare Quality" with Ingrid Huitfeldt and Gabriel Zeigler

"The Effect of Copays for Primary Care in a Single Payer System" with Simon Bensnes and Ingrid Huitfeldt

"Allocating Healthcare Without Prices: The Case of Primary Care Physicians" with Ingrid Huitfeldt and Daniel Waldinger