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  • Risk Selection and Heterogeneous Preferences in Health Insurance Markets with a Public Option
    [PDF] Journal of Health Economics,49, September 2016
  • Regulation of Insurance with Adverse Selection and Switching Costs: Evidence from Medicare Part D
    [PDF] American Economic Journal: Applied Economics, 8(3), July 2016

Health Policy

  • Marketplace Plans Provide Risk Protection, But Actuarial Values Overstate Realized Coverage For Most Enrollees (with Lynn Hua and Kate Bundorf)
    [Link] Health Affairs,36(12), December 2017

Working papers

  • Welfare Effects of Supply-Side Regulation in Medicare Part D  (with Francesco Decarolis and Stephen Ryan)
    [PDF] NBER Working Paper No. 21298, November 2016, revise and resubmit Journal of Political Economy

  • The Roots of Health Inequality and the Value of Intra-Family Expertise (with Yiqun Chen and Petra Persson)
    Draft available upon request

  • In-kind Transfers, Tagging, and Market Power: Evidence from the ACA (with Stephen Ryan)
    Draft available upon request

  • Delegating Decision-Making to the Machine: Experimental Evidence from Health Insurance (with Kate Bundorf and Ming Tai-Seale)
    Draft available upon request

Work in progress

  • Social Insurance Design under Uncertainty and Medicare Quantity Regulation (with David Chan)

  • Social Insurance and the Labor Markets: Evidence from Long-Term Care (with Martin Hackmann)