Working Papers

When Product Markets Become Collective Traps: The Case of Social Media joint with Leondaro Bursztyn, Rafael Jiminez and Christopher Roth revise and resubmit, American Economic Review Coverage: Marketplace, Deep Questions (56:03), Becker Friedman

Managing Intelligence: Skilled Experts and AI in Markets for Complex Products joint with Jonathan Gruber, Samuel Kina and Jonathan Kolstad  revise and resubmit, RAND Journal of Economics

Middlemen or Innovators? The Role of Insurers in Cost and Productivity in Health Care joint with Jonathan Holmes, Jonathan Kolstad and Kurt Lavetti

Thinking vs. Doing: Cognitive Capacity, Decision-Making, and Medical Diagnosis joint with Bryan Chu, Louis Heizlsperger, Jonas Knecht, Jonathan Kolstad, Filip Matejka and Ulrike Malmendier

Pharmacy Benefit Managers and Vertical Relationships in Drug Supply joint with Zarek Brot-Goldberg and Catherine Che

Peer Effects and Social Inequality: Evidence from Health Insurance in the Netherlands (see second half of this working paper) joint with Jonathan Kolstad and Johannes Spinnewijn

The Impact of Price Transparency in Outpatient Provider Markets joint with Kayleigh Barnes, Sherry Glied and Grace Kim

Publications

The Socio-Economic Distribution of Choice Quality: Evidence from Health Insurance in the Netherlands joint with Jonathan Kolstad, Thomas Minten and Johannes Spinnewijn American Economic Review: Insights, Vol. 6, No. 3, 2024 New York Times, Financial Times

Optimal Long-Term Health Insurance Contracts: Characterization, Computation and Welfare Effects joint with Soheil Ghili, Igal Hendel and Michael D. Whinston  Review of Economic Studies, Vol. 91, No. 2, 2024 Online Appendix

Employer Risk-Adjustment Transitions with Inertial Consumers: Evidence from CalPERS joint with Nianyi Hong, Lynn Hua, and Yuki Ito Journal of Risk and Insurance, 2023 1-29

The Affordable Care Act After a Decade: Industrial Organization of the Insurance Exchanges joint with Jonathan Kolstad Annual Review of Economics, Vol. 14, 2022, 287-312

Industrial Organization of Health Care Markets joint with Kate Ho Handbook of Industrial Organization, Vol. 4, 2021, eds. Kate Ho, Ali Hortacsu and Alessandro Lizzeri

Self-Control and Demand for Preventive Health: Evidence From Hypertension in India joint with Liang Bai, Ted Miguel, and Gautam Rao Review of Economics and Statistics, Vol. 103(5), 2021, pp. 835-856

Information Frictions and Adverse Selection: Policy Interventions in Health Insurance Markets joint with Jonathan Kolstad and Johannes Spinnewijn Review of Economics and Statistics, 2019, 101(2): 326-340.
Online Appendix

Behavioral Economics and Health-Care Markets joint with Amitabh Chandra and Joshua Schwartzstein Handbook of Behavioral Economics - Foundations and Applications Vol. 2, 2019, 459-502.

Frictions or Mental Gaps: What's Behind the Information We (Don't) Use and When Do We Care? joint with Joshua Schwartzstein Journal of Economic Perspectives, vol. 32(1), 2018, 155-178

What Does a Deductible Do? The Impact of Cost-Sharing on Health Care Prices, Quantities, and Spending Dynamics
joint work with Zarek Brot-Goldberg, Amitabh Chandra, and Jonathan Kolstad Quarterly Journal of Economics, vol. 132(3), 2017, 1261-1318 Vox , New York Times, CBS Moneyline, Forbes,,NBER Digest, Conversation, Center for Healthcare Journalism, Kaiser Health News

Health Insurance for "Humans": Information Frictions, Plan Choice, and Consumer Welfare joint with Jonathan T. Kolstad
American Economic Review, vol. 105(8), 2015 2449-2500
Online Appendix
Huffington Post , New York Times, Incidental Economist

Equilibria in Health Exchanges: Adverse Selection vs. Reclassification Risk joint with Igal Hendel and Michael D. Whinston Econometrica, vol 83(4), 2015, 1261-1313 Supplement |Online Appendix

Robust New Product Pricing
Joint work with Kanishka Misra Marketing Science, vol. 34(6), 2015, 864-881 Final Published Manuscript

Getting the Most From Marketplaces: Smart Policies on Health Insurance Choice
joint work with Jonathan Kolstad Brookings Hamilton Project Discussion Paper 2015-08
Brookings Panel Video

Market Power, Transaction Costs, and the Entry of Accountable Care Organizations in Health Care joint work with Ted Frech, Chris Whaley, Liora Bowers, Carol Simon, and Richard Scheffler Review of Industrial Organization, 2015, 47:167-193

Adverse Selection and Inertia in Health Insurance Markets: When Nudging Hurts American Economic Review, vol. 103 (7), 2013, 2643-2682 (lead article)
Online Appendix
New Yorker, Wall Street Journal, New York Times, Incidental Economist

Robust Firm Pricing with Panel Data
Joint work with Kanishka Misra and James Roberts Journal of Econometrics, vol. 174 (2), 2013, 165-185

Shorter Papers

Wearable Technologies and Health Behaviors: New Data and New Methods to Understand Population Health joint work with Jonathan Kolstad American Economic Review: Papers and Proceedings 2017, 107(5):481-485

The Health Plan Environment In California Contributed To Differential Use Of Telehealth During The COVID-19 Pandemic joint work with Yuki Ito, Christopher Whaley, Jonathan Kolstad and David Cowling Health Affairs 2022, vol. 41(12)

Messaging and the Mandate: The Impact of Consumer Experience on Health Insurance Enrollment Through Exchanges joint work with Natalie Cox, Jonathan T. Kolstad, and Neale Mahoney American Economic Review: Papers and Proceedings 2015, 105(5):105-109

Commentary: Accountable Care Organizations and Narrow Network Insurance Plans Journal of Health Politics, Policy, and Law, 2015

A Behavioral Blueprint for Improving Health Care Policy joint with George Loewenstein et al. Behavioral Science & Policy, vol. 3 (1), 2017, 53-66, 2015