Research

Working papers

• Heterogeneity in Damages from A Pandemic (with Amy Finkelstein, Geoffrey Kocks, Victoria Udalova)
  [PDF] NBER Working Paper No. 30658, November 2022

• Health Insurance as Economic Stimulus? Evidence from Long-Term Care Labor Markets (with Martin Hackmann, Jörg Heining, Roman Klimke, and Holger Seibert)
  [PDF] Upjohn Institute working paper  21-357, November 2021

• Who Values Human Capitalists' Human Capital? Healthcare Spending and Physician Earnings (with Joshua Gottlieb, Kevin Rinz, Hugh Shiplett, and Victoria Udalova)
  [PDF] U.S. Census Bureau Center for Economic Studies Working Paper CES-20-23, July 2020
  [Non-technical summary]  [Data: physician earnings by Commuting Zone and specialty]
  Press coverage:
  Niskanen Center

• Market Power and Redistribution: Evidence from the Affordable Care Act (with Stephen Ryan)
  [PDF] NBER Working Paper No. 26367, October 2019; Current version: December 2020
  Press coverage:
  SIEPR

• How do Humans Interact with Algorithms? Experimental Evidence from Health Insurance (with Kate Bundorf and Ming Tai-Seale)
  [PDF] NBER Working Paper No. 25976, March 2022  Revise & Resubmit (2nd round) at Management Science
  Best paper award at Conference on Health IT and Analytics 2019
  Press coverage:
  Stanford GSB Insights
  FastCompany
  phys.org

Publications

• Risk Perceptions and Protective Behaviors: Evidence from COVID-19 Pandemic (with Kate Bundorf, Jill DeMatteis, Grant Miller, Jialu Streeter, Jonathan Wivagg)
  [PDF] Review of Economics and Statistics, forthcoming
  NBER Research Spotlight video summary
  Press coverage:
  SIEPR
  New York Times
   
• Association of Family Income With Morbidity and Mortality Among US Lower-Income Children and Adolescents (with Victoria Udalova and Vinayak Bhatia)
  [Link] JAMA, 328(24), December 2022
  Editorial by Janet Currie and Hannes Schwandt
  DATA
   
• A Taste of Their Own Medicine: Guideline Adherence and Access to Expertise (with Amy Finkelstein, Petra Persson, and Jesse Shapiro)
  [PDF] American Economic Review: Insights, 4(4), December 2022
  Press coverage:
  Freakonomics, M.D.
  Medscape
   
• The Roots of Health Inequality and the Value of Intra-Family Expertise (with Yiqun Chen and Petra Persson)
  [PDF] American Economic Journal: Applied Economics, 14(3), July 2022
  Press and policy coverage:
  The New Yorker
  Freakonomics, M.D.
  UN Human Development Report 2019
  BBC
  VoxEU
  NBER Digest
  Sueddeutsche Zeitung
  Scope Blog (1)
  Scope Blog (2)
  KCBS Radio
  SIEPR
  Becker's Hospital Review
  Stanford Health Policy
  Dagens Nyheter
   
• Analysis of Publicly Funded Reinsurance—Government Spending and Insurer Risk Exposure (with Vinayak Bhatia, and Kate Bundorf)
  [Link] JAMA Health Forum, 2(8), August 2021
   

• Racial Disparities in Excess All-Cause Mortality During the Early COVID-19 Pandemic Varied Substantially Across States (with Victoria Udalova, Geoffrey Kocks, Katie Genadek, Keith Finlay, and Amy Finkelstein)
  [Link] Health Affairs, 40(2), February 2021
  NBER video summary
  Press and policy coverage:
  Centers for Disease Control and Prevention COVID-19 Science Update
  Stanford Medicine News
  HealthLeaders Media
  Chicago Tribune
  US Census Bureau Research Blog
  HHS ASPE Issue Brief March 2021

• Does Medicine Run in the Family—Evidence from Three Generations of Physicians in Sweden: Retrospective Observational Study (with Petra Persson, Katja Hofmann, and Anupam Jena)
  [Link] British Medical Journal, 371, December 2020
  Press coverage:
  AAAS EurekaAlert
  New York Times
  Lakartidningen
  Inside Higher Ed
  SIEPR

• Initial Economic Damage from the COVID-19 Pandemic in the United States is More Widespread Across Ages and Geographies than Initial Mortality Impacts (with Geoffrey Kocks, Victoria Udalova, and Amy Finkelstein)
  [Link] Proceedings of the National Academy of Sciences, 117 (45), November  2020
  Press coverage:
  New York Times
  Bloomberg
  Stanford Health Policy
  US Census Bureau Research Blog

• Subsidy Design in Privately-Provided Social Insurance: Lessons from Medicare Part D (with Francesco Decarolis and Stephen Ryan)
  [PDF] Journal of Political Economy, 128(5), May 2020
  Press coverage:
  Forbes
  Stanford Health Policy
  theSource
  Microeconomic Insights

• Local Area Variation in Morbidity Among Low-Income, Older Adults in the United States (with Lynn Hua)
  [Link] Annals of Internal Medicine,171(6), September 2019
  Local Area Chronic Condition Index and adjusted prevalence of 48 chronic conditions at commuting zone level:
  [Data - Microsoft Excel® format]  [Data - Stata® 16] [Data - Stata® 13]
  Press and policy coverage:
  HealthLeaders Media
  Scope Blog

• Machine-Based Expert Recommendations And Consumer Choices For Medicare Prescription Drug Insurance (with Kate Bundorf, Cheryl Stults, Amy Meehan, Roman Klimke, Ting Pan, Albert Chan, and Ming Tai-Seale)
  [Link] Health Affairs, 38 (3), March 2019

• Private Provision of Social Insurance: Drug-Specific Price Elasticities and Cost Sharing in Medicare Part D  (with Liran Einav and Amy Finkelstein)
  [PDF] American Economic Journal: Economic Policy, 10(3), August 2018
  [Online Appendix] [Drug-level elasticity estimates - downloadable .xls] [Class-level elasticity estimates - downloadable .xls]

• ACA Marketplace Premiums and Competition among Hospitals and Physician Practices (with Kate Bundorf, Daniel Kessler and Laurence Baker)
  [Link]  American Journal of Managed Care, 24(2), February 2018

• 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

• 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