01The Value of (Sub) Specialization: Evidence from Oncology (opens in a new tab)With René Karadakic (opens in a new tab), Nancy L. Keating (opens in a new tab), Bruce E. Landon (opens in a new tab), and Michael L. Barnett (opens in a new tab) · 2026 · NBER Working Paper No. 35946NBER Working Paper (opens in a new tab)PDF (opens in a new tab)
02Are Guidelines Worth Following? Decision-Making Under Incomplete Evidence (opens in a new tab)With Jason Abaluck (opens in a new tab) and Leila Agha (opens in a new tab) · 2026 · NBER Working Paper No. 35798NBER Working Paper (opens in a new tab)PDF (opens in a new tab)
03Choice Between Public and Private Healthcare Systems: Evidence from Veterans (opens in a new tab)With Marika Cabral (opens in a new tab) and Seth Neller (opens in a new tab) · 2026 · NBER Working Paper No. 35440NBER Working Paper (opens in a new tab)PDF (opens in a new tab)
01The Productivity of Professions: Evidence from the Emergency Department (opens in a new tab)With Yiqun Chen (opens in a new tab) · 2026 · American Economic ReviewArticle (opens in a new tab)PDF (opens in a new tab)Appendix (opens in a new tab)Data & Code (opens in a new tab)
02Subspecialization of Surgical Specialties in the US (opens in a new tab)With René Karadakic (opens in a new tab), Bruce E. Landon (opens in a new tab), Nancy L. Keating (opens in a new tab), Christopher Manz (opens in a new tab), Jukka-Pekka Onnela (opens in a new tab), Thomas C. Tsai (opens in a new tab), Yuhua Zhang (opens in a new tab), and Michael L. Barnett (opens in a new tab) · 2025 · JAMA Health ForumArticle (opens in a new tab)PubMed (opens in a new tab)
03Geographic Variation in the Utilization of Cancer Care From Subspecialized Medical Oncologists in the United States, 2008 to 2020 (opens in a new tab)With René Karadakic (opens in a new tab), Christopher Manz (opens in a new tab), Arno Cai (opens in a new tab), Bruce E. Landon (opens in a new tab), Jukka-Pekka Onnela (opens in a new tab), Nancy L. Keating (opens in a new tab), and Michael L. Barnett (opens in a new tab) · 2025 · Annals of Internal MedicineArticle (opens in a new tab)PubMed (opens in a new tab)
04Differences by Physician Seniority in Race and Ethnicity and Insurance Coverage of Treated Patients (opens in a new tab)With Hannah T. Neprash (opens in a new tab), Ateev Mehrotra (opens in a new tab), and Michael L. Barnett (opens in a new tab) · 2023 · JAMA Network OpenArticle (opens in a new tab)PubMed (opens in a new tab)
05Is There a VA Advantage? Evidence from Dually Eligible Veterans (opens in a new tab)With David Card (opens in a new tab) and Lowell Taylor (opens in a new tab) · 2023 · American Economic ReviewArticle (opens in a new tab)PDF (opens in a new tab)Appendix (opens in a new tab)Data & Code (opens in a new tab)
06Inappropriate Prescribing to Older Patients by Nurse Practitioners and Primary Care Physicians (opens in a new tab)With Johnny Huynh (opens in a new tab), Sahil A. Alim (opens in a new tab), and David M. Studdert (opens in a new tab) · 2023 · Annals of Internal MedicineArticle (opens in a new tab)PubMed (opens in a new tab)
07Selection with Variation in Diagnostic Skill: Evidence from Radiologists (opens in a new tab)With Matthew Gentzkow (opens in a new tab) and Chuan Yu (opens in a new tab) · 2022 · Quarterly Journal of EconomicsArticle (opens in a new tab)Ungated Manuscript (opens in a new tab)Appendix (opens in a new tab)Data & Code (opens in a new tab)
08Mortality among US Veterans after Emergency Visits to Veterans Affairs and Other Hospitals: Retrospective Cohort Study (opens in a new tab)With Kaveh Danesh (opens in a new tab), Sydney Costantini (opens in a new tab), David Card (opens in a new tab), Lowell Taylor (opens in a new tab), and David M. Studdert (opens in a new tab) · 2022 · BMJArticle (opens in a new tab)PubMed (opens in a new tab)
09Influence and Information in Team Decisions: Evidence from Medical Residency (opens in a new tab)2021 · American Economic Journal: Economic PolicyArticle (opens in a new tab)PDF (opens in a new tab)Appendix (opens in a new tab)Data & Code (opens in a new tab)
10Effects of a Workplace Wellness Program on Employee Health, Health Beliefs, and Medical Use: A Randomized Clinical Trial (opens in a new tab)With Julian Reif (opens in a new tab), Damon Jones (opens in a new tab), Laura Payne (opens in a new tab), and David Molitor (opens in a new tab) · 2020 · JAMA Internal MedicineArticle (opens in a new tab)PubMed (opens in a new tab)
11Provider Discretion and Variation in Resource Allocation: The Case of Triage Decisions (opens in a new tab)With Jonathan Gruber (opens in a new tab) · 2020 · AEA Papers and ProceedingsArticle (opens in a new tab)PDF (opens in a new tab)Data & Code (opens in a new tab)
12Industry Input in Policy Making: Evidence from Medicare (opens in a new tab)With Michael J. Dickstein (opens in a new tab) · 2019 · Quarterly Journal of EconomicsArticle (opens in a new tab)Ungated Manuscript (opens in a new tab)Appendix (opens in a new tab)Data & Code (opens in a new tab)
13Accuracy of Valuations of Surgical Procedures in the Medicare Fee Schedule (opens in a new tab)With Johnny Huynh (opens in a new tab) and David M. Studdert (opens in a new tab) · 2019 · New England Journal of MedicineArticle (opens in a new tab)PubMed (opens in a new tab)
14The Efficiency of Slacking Off: Evidence from the Emergency Department (opens in a new tab)2018 · EconometricaArticle (opens in a new tab)PDF (opens in a new tab)Data & Code (opens in a new tab)
15Teamwork and Moral Hazard: Evidence from the Emergency Department (opens in a new tab)2016 · Journal of Political EconomyArticle (opens in a new tab)PDF (opens in a new tab)Appendix (opens in a new tab)
16The Impact of Massachusetts Health Care Reform on Access, Quality, and Costs of Care for the Already-Insured (opens in a new tab)With Karen E. Joynt (opens in a new tab), Jie Zheng (opens in a new tab), E. John Orav (opens in a new tab), and Ashish K. Jha (opens in a new tab) · 2015 · Health Services ResearchArticle (opens in a new tab)PubMed (opens in a new tab)
17Insurance Expansion in Massachusetts Did Not Reduce Access Among Previously Insured Medicare Patients (opens in a new tab)With Karen E. Joynt (opens in a new tab), E. John Orav (opens in a new tab), and Ashish K. Jha (opens in a new tab) · 2013 · Health AffairsArticle (opens in a new tab)PubMed (opens in a new tab)
18How Sensitive Are Low Income Families to Health Plan Prices? (opens in a new tab)With Jonathan Gruber (opens in a new tab) · 2010 · American Economic Review: Papers & ProceedingsArticle (opens in a new tab)PDF (opens in a new tab)
19Patient, Physician, and Payment Predictors of Statin Adherence (opens in a new tab)With William H. Shrank (opens in a new tab), David Cutler (opens in a new tab), Saira Jan, Michael A. Fischer (opens in a new tab), Jun Liu, Jerry Avorn (opens in a new tab), Daniel Solomon (opens in a new tab), M. Alan Brookhart (opens in a new tab), and Niteesh K. Choudhry (opens in a new tab) · 2010 · Medical CareArticle (opens in a new tab)PubMed (opens in a new tab)
20Improving Safety and Eliminating Redundant Tests: Cutting Costs in U.S. Hospitals (opens in a new tab)With Ashish K. Jha (opens in a new tab), Abigail B. Ridgway (opens in a new tab), Calvin Franz (opens in a new tab), and David W. Bates (opens in a new tab) · 2009 · Health AffairsArticle (opens in a new tab)PubMed (opens in a new tab)
21Quantitative Risk Stratification in Markov Chains with Limiting Conditional Distributions (opens in a new tab)With Philip K. Pollett (opens in a new tab) and Milton C. Weinstein (opens in a new tab) · 2009 · Medical Decision MakingArticle (opens in a new tab)PubMed (opens in a new tab)
22Heart Failure Disease Management Programs: A Cost-Effectiveness Analysis (opens in a new tab)With Paul A. Heidenreich (opens in a new tab), Milton C. Weinstein (opens in a new tab), and Gregg C. Fonarow (opens in a new tab) · 2008 · American Heart JournalArticle (opens in a new tab)PubMed (opens in a new tab)
01Organizational Economics and the US Healthcare System (opens in a new tab)With Brigham Frandsen (opens in a new tab), Michael Powell (opens in a new tab), and James B. Rebitzer (opens in a new tab) · 2023 · The Economics of U.S. Healthcare: Competition, Innovation, Regulation, and OrganizationsPublication (opens in a new tab)
02Improving Efficiency in Medical Diagnosis (opens in a new tab)With Leila Agha (opens in a new tab) and Jonathan Skinner (opens in a new tab) · 2022 · JAMAPublication (opens in a new tab)PubMed (opens in a new tab)
03Economic Incentives for Chest Physicians (opens in a new tab)With Joshua D. Gottlieb (opens in a new tab) · 2022 · CHESTPublication (opens in a new tab)PubMed (opens in a new tab)
04Soldiering On: Improving Policies to Benefit America’s Veterans (opens in a new tab)With Mark Duggan (opens in a new tab) and Audrey Guo (opens in a new tab) · 2021 · Stanford Institute for Economic Policy Research Policy BriefPublication (opens in a new tab)