Publications
Forthcoming
Why is End of Life Spending So High? Evidence from cancer patients
(with Dan Zeltzer, Liran Einav, Tzvi Shir, Salomon Stemmer, Ran Balicer).
Review of Economics and Statistics, forthcoming.
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Long Term Care Hospitals: A Case Study in Waste
(with Liran Einav and Neale Mahoney) Review of Economics and Statistics, forthcoming click here for on-line appendices
A Taste of Their Own Medicine: Guideline Adherence and Access to Expertise
(with Petra Persson, Maria Polyakova, and Jesse M. Shapiro)
American Economic Review: Insights, forthcoming.
Out of the Woodwork: Enrollment Spillovers in the Oregon Health Insurance Experiment
(with Adam Sacarny and Katherine Baicker) American Economic Journal: Economic Policy, forthcoming click here for on-line appendices
2022
Voluntary Regulation: Evidence from Medicare Payment Reform (with Liran Einav, Yunan Ji and Neale Mahoney)
Quarterly Journal of Economics, 137(1), February 2022, 565-618 click here for on-line appendices click here for replication code
2021
The IO of Selection Markets
(with Liran Einav and Neale Mahoney)
Handbook of Industrial Organization, edited by Kate Ho, Ali Hortacsu, and Alessandro Lizzeri, Elsevier, Volume 5(1), Chapter 14, 389-426, December 2021
The Challenges of Universal Health Insurance in Developing Countries- Experimental Evidence from Indonesia’s National Health Insurance
(with Abhijit Banerjee, Rema Hanna, Benjamin Olken, Arianna Ornaghi, and Sudarno Sumarto)
American Economic Review, 111(9):3035-3063, September 2021. click here for on-line appendices click here for replication code
Place-Based Drivers of Mortality - Evidence from Migration
(with Matthew Gentzkow and Heidi Williams)
American Economic Review, 111(8):2697-2735, August 2021
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Beyond Causality: Additional Benefits of Randomized Controlled Trials for Improving Health Care Delivery (with Marcella Alsan) Milbank Quarterly, July 2021
Racial Disparities In Excess All-Cause Mortality During The Early COVID-19 Pandemic Varied Substantially Across States. (With Maria Polyakova, Victoria Udalova, Geoffrey Kocks, Katie Genadek, Keith Finlay) Health Affairs 40, No 2. 307-316. 2021 click here for on-line appendices
2020
Initial economic damage from the COVID-19 pandemic in the United States is more widespread across ages and geographies than initial mortality impacts (with Maria Polyakova, Geoffrey Kocks, and Victoria Udalova). Proceedings of the National Academy of Sciences, 117 (45), 117 (45): 27934-27939. November 10 2020 click here for on-line appendices
Welfare Analysis Meets Causal Inference (with Nathan Hendren) Journal of Economic Perspectives, 34 (4): 146-67. Fall 2020
Screening and Selection- The Case of Mammograms
(with Liran Einav, Tamar Oostrom, Abigail Ostriker and Heidi Williams) American Economic Review 110(12). December 2020 click here for on-line appendices click here for replication code
Randomized trial shows healthcare payment reform has equal-sized spillover effects on patients not targeted by reform (with Liran Einav, Yunan Ji, and Neale Mahoney) PNAS: Proceedings of the National Academy of Sciences of the United States of America. August 2020 click here for on-line appendices
A Strategy for Improving U.S. Health Care Delivery - Conducting More Randomized, Controlled Trials New England Journal of Medicine 382(16). April 2020
Health Care Hotspotting — A Randomized, Controlled Trial
(with Annetta Zhou, Sarah Taubman, and Joseph Doyle). The New England Journal of Medicine, 2020. click here for on-line appendices
2019
The Value of Medicaid: Interpreting Results from the Oregon Health Insurance Experiment
(with Nathaniel Hendren and Erzo F.P. Luttmer)
Journal of Political Economy Vol. 127 No. 6, 2019. click here for on-line appendices click here for replication code
The Impact of Medicaid Expansion on Voter Participation: Evidence from the Oregon Health Insurance Experiment (with Katherine Baicker). Quarterly Journal of Political Science 14(4): 383-400. 2019 click here for on-line appendices click here for replication code
Take-up and Targeting- Experimental Evidence from SNAP (with Matthew J. Notowidigdo).
Quarterly Journal of Economics 134(3):1505–1556. August 2019
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Healthcare Spending and Utilization in Public and Private Medicare
(with Vilsa Curto, Liran Einav, Jonathan Levin and Jay Bhattacharya). American Economic Journal: Applied Economics 11(2): 302-332. April 2019.
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Subsidizing Health Insurance for Low-Income Adults: Evidence from Massachusetts (with Nathaniel Hendren and Mark Shepard). American Economic Review 109(4): 1530-67. April 2019. click here for on-line appendices click here for replication code
Clinical Decision Support for High-Cost Imaging: A Randomized Clinical Trial.
(with Sarah Abraham, Joseph Doyle, Laura Feeney and Sarah Reimer). PLoS ONE 14(3): e0213373. March 15, 2019 click here for on-line appendices
2018
Provider Incentives and Healthcare Costs- Evidence from Long-Term Care Hospitals
(with Liran Einav and Neale Mahoney) Econometrica Vol 86(6). November 2018. click here for replication code
Mandatory Medicare Bundled Payment Program for Lower Extremity Joint Replacement and Discharge to Institutional Poastacute Care: Interim Analysis of the First Year of a 5-Year Randomized Trial.
(with Yunan Ji, Neale Mahoney and Jonathan Skinner) Journal of the American Medical Association, September 4, 2018 click here for on-line appendices click here for replication code
What Does (Formal) Health Insurance Do, And For Whom?
(with Neale Mahoney and Matthew J. Notowidigdo) Annual Review of Economics, 10:261-86, 2018.
Private Provision of Social Insurance: Drug-specific price elasticities and cost sharing in Medicare Part D
(with Liran Einav and Maria Polyakova). American Economic Journal: Economic Policy, vol 10(3), pages 122-153. 2018.
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Moral Hazard in Health Insurance: What We Know and How We Know It
(with Liran Einav). Journal of the European Economic Association, vol 16(4), pages 957-982. 2018.
Predictive modeling of U.S. healthcare spending in late life
(with Liran Einav, Sendhil Mullainathan, and Ziad Obermeyer).
Science, 360, 1462-1465. June 2018.
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Myth and Measurement - The Case of Medical Bankruptcies
(with Carlos Dobkin, Ray Kluender, and Matthew J. Notowidigdo)
New England Journal of Medicine DOI: 10.1056/NEJMp1716604. March 2018
The Economic Impact of Hospital Admissions
(with Carlos Dobkin, Ray Kluender and Matthew J. Notowidigdo). American Economic Review, February 2018.
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2017
The Uninsured Do Not Use The Emergency Department More - They Use Other Care Less
(with Ruohua Annetta Zhou, Katherine Baicker and Sarah Taubman)
Health Affairs, 36(12). December 2017 click here for on-line appendices
Effect of Medicaid Coverage on ED Use — Further Evidence from Oregon’s Experiment
(with Katherine Baicker, Heidi Allen and Bill Wright)
Health Affairs, 36(12). December 2017 click here for on-line appendices
Outpatient Office Wait Times and Quality of Care for Medicaid Patients
(with Tamar Oostrom and Liran Einav)
Health Affairs 36(5): 826-832. May 2017
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Is American Pet Health Care (Also) Uniquely Inefficient?
(with Liran Einav and Atul Gupta)
American Economic Review Papers and Proceedings 107(5). May 2017
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Adjusting Risk Adjustment - Accounting for Variation in Diagnostic Intensity
(with Matthew Gentzkow, Peter Hull and Heidi Williams)
New England Journal of Medicine 376: 608-610 DOI: 10.1056/NEJMp1613238. February 2017. click here for on-line appendices click here for replication code
Bunching at the kink: implications for spending responses to health insurance contracts
(with Liran Einav and Paul Schrimpf)
Journal of Public Economics 146: 27-40. February 2017.
2016
Sources of Geographic Variation in Health Care: Evidence from Patient Migration
(with Matthew Gentzkow and Heidi Williams)
Quarterly Journal of Economics, 131(4): 1681-1726. November 2016.
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Effect of Medicaid Coverage on ED Use - Further Evidence from Oregon's Experiment
(with Sarah Taubman, Heidi Allen, Bill Wright and Katherine Baicker)
New England Journal of Medicine 375: 1505-1507 DOI: 10.1056/NEJMp1609533. October 2016.
Healthcare Exceptionalism? Performance and Allocation in the U.S. Healthcare Sector
(with Amitabh Chandra, Adam Sacarny and Chad Syverson)
American Economic Review 106 (8): 2110-2144. August 2016.
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Productivity Dispersion in Medicine and Manufacturing
(with Amitabh Chandra, Adam Sacarny and Chad Syverson)
American Economic Review Papers and Proceedings 106(5): 99-103. May 2016.
Beyond Statistics: The Economic Content of Risk Scores
(with Liran Einav, Ray Kluender and Paul Schrimpf)
American Economic Journal: Applied Economics, 8(2). April 2016.
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Medicare Letters to Curb Overprescribing of Controlled Substances Had No Detectable Effect on Providers
(with Adam Sacarny, David Yokum and Stantanu Agrawal)
Health Affairs 35 (3): 471-479. March 2016.
Paying on the margin for medical care: evidence from breast cancer treatments
(with Liran Einav and Heidi Williams)
American Economic Journal: Economic Policy, 8(1). February 2016.
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2015
Moral Hazard in Health Insurance: Do Dynamic Incentives Matter?
(with Aviva Aron-Dine, Liran Einav and Mark Cullen)
Review of Economics and Statistics, 97(4): 725-741. October 2015.
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The Response of Drug Expenditure to Non-Linear Contract Design: Evidence from Medicare Part D
(with Liran Einav and Paul Schrimpf).
Quarterly Journal of Economics, 130(2): 841-899. May 2015.
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Randomize Evaluations to improve health care delivery
(with Sarah Taubman)
Science 347 (6223): 720-722. February 2015.
Longer version available here
2014
Testing for Asymmetric Information Using 'Unused Observables' in Insurance Markets: Evidence from the U.K. Annuity Market
(with James Poterba) December 2014.
Journal of Risk and Insurance 81: 709-734. December 2014.
The Impact of Medicaid on Labor Force Activity and Program Participation: Evidence from the Oregon Health Insurance Experiment
(with Katherine Baicker, Jae Song and Sarah Taubman)
American Economic Review paper and proceedings, May 2014.
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Medicaid Increases Emergency-Department Use: Evidence from Oregon's Health Insurance Experiment
(with Sarah Taubman, Heidi Allen, Bill Wright, and Katherine Baicker.) Science, 2 January 2014
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2013
Income and Health Spending: Evidence from Oil Price Shocks
(with Daron Acemoglu and Matthew J. Notowidigdo)
Review of Economics and Statistics. October 2013.
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The Oregon Experiment - Effects of Medicaid on Clinical Outcomes
(with Katherine Baicker, Sarah Taubman, Heidi Allen, Mira Bernstein, Jonathan Gruber, Joseph Newhouse, Eric Schneider, Bill Wright, Alan Zaslavsky, and the Oregon Health Study Group.) New England Journal of Medicine 368 (18), May 2013.
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The RAND Health Insurance Experiment, Three Decades Later
(with Aviva Aron-Dine and Liran Einav) Journal of Economic Perspectives, 27(1): 197-222, 2013
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Selection on Moral Hazard in Health Insurance
(with Liran Einav, Stephen Ryan, Paul Schrimpf and Mark Cullen) American Economic Review 103(1), February, 2013
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What Good Is Wealth Without Health The Effect of Health on the Marginal Utility of Consumption
(with Erzo Luttmer and Matthew Notowidigdo) Journal of the European Economic Association 11(s1): 221-258, 2013
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Social Insurance: Connecting Theory to Data
(with Raj Chetty) Handbook of Public Economics, Vol. 5: 111-193, 2013.
2012
How General Are Risk Preferences? Choices Under Certainty in Different Domains
(with Liran Einav, Iuliana Pascu and Mark Cullen) American Economic Review 102(6), October, 2606-2638, 2012.
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The Oregon Health Insurance Experiment: Evidence from the First Year
(with Sarah Taubman, Bill Wright, Mira Bernstein, Jonathan Gruber, Joseph P. Newhouse, Heidi Allen, Katherine Baicker, and the Oregon Health Study Group)
Quarterly Journal of Economics 127 (3): 1057-1106. 2012.
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2011
Insuring long-term care in the U.S.
(with Jeffrey Brown). Journal of Economic Perspectives 25(4): 119-142. 2011.
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The Effects of Medicaid Coverage - Learning from the Oregon Experiment
(with Katherine Baicker). The New England Journal of Medicine, July 20, DOI: 10.1056/nejmp1108222. 2011.
Selection in Insurance Markets: Theory and Empirics in Pictures
(with Liran Einav) Journal of Economic Perspectives (Vol 25 (1): 115-138) 2011.
2010
Estimating Welfare In Insurance Markets Using Variation in Prices
(with Liran Einav and Mark R. Cullen) Quarterly Journal of Economics vol. 125 (3): 877-921. 2010.
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Optimal Mandates and The Welfare Cost of Asymmetric Information: Evidence From the U.K. Annuity Market
(with Liran Einav and Paul Schrimpf) Econometrica (Vol 78(3): 1031-1092) 2010.
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Beyond Testing: Empirical Models of Insurance Markets
(with Liran Einav and Jonathan Levin) Annual Review of Economics (2): 311-336. 2010.
2009
Approaches to Estimating the Health State Dependence of the Utility Function
(with Erzo F.P. Luttmer and Matthew J. Notowidigdo) American Economic Review Papers and Proceedings 99(2): 116-121. 2009.
EZ Tax: Tax Salience and Tax Rates
Quarterly Journal of Economics 124(3): 969-1010. 2009.
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The Private Market for Long-Term Care Insurance in the U.S.:A Review of the Evidence
(with Jeffrey R. Brown) Journal of Risk and Insurance 76(1): 5-29. 2009.
Redistribution By Insurance Market Regulation: Analyzing a Ban on Gender-Based Retirement Annuities
(with James Poterba and Casey Rothschild) Journal of Financial Economics 91(1): 35-58. 2009.
2008
Input and Technology Choices in Regulated Industries: Evidence from the Health Care Sector
(with Daron Acemoglu) Journal of Political Economy 116(5): 837-880. 2008.
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Preference Heterogenity and Insurance Markets: Explaining a Puzzle of Insurance
(with David Cutler and Kathleen McGarry) American Economic Review Papers and Proceedings, 98(2): 157-162. 2008.
What Did Medicare Do? The Initial Impact of Medicare on Mortality and Out of Pocket Medical Spending
(with Robin McKnight) Journal of Public Economics 92: 1644-1669. 2008.
The Interaction of Public and Private Insurance: Medicaid and the Long-Term Insurance Market
(with Jeffrey Brown) American Economic Review 98(3): 1083-1102. 2008.
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2007
Why Is the Market for Long Term Care Insurance so Small
(with Jeffrey Brown) Journal of Public Economics 91(10): 1967-1991. 2007.
Medicaid Crowd-Out of Private Long Term Care Insurance Demand: Evidence from the Health and Retirement Survey
(with Jeffrey Brown and Norma Coe) Tax Policy and the Economy, 21:1-34. 2007.
The Aggregate Effects of Health Insurance: Evidence from the Introduction of Medicare
Quarterly Journal of Economics, 122(1): 1-37. 2007.
2006
Multiple Dimensions of Private Information: Evidence from the Long-Term Care Insurance Market
(with Kathleen McGarry) American Economic Review September 96(4): 938-958. 2006.
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Did Medicare Induce Pharmaceutical Innovation?
(with Daron Acemoglu, David Cutler, and Joshua Linn) American Economic Review Papers and Proceedings, 96(2): 103-107. 2006.
2005
Dynamic Inefficiencies in Insurance Markets: Evidence from Long-Term Care Insurance
(with Kathleen McGarry and Amir Sufi) American Economic Review Papers and Proceedings, 95:224-228. 2005.
2004
Minimum Standards, Insurance Regulation and Adverse Selection: Evidence from the Medigap Market
Journal of Public Economics 88(12): 2515-2547. 2004.
Static and Dynamic Effects of Health Policy: Evidence from the Vaccine Industry
Quarterly Journal of Economics 119(2): 527-564. 2004.
Adverse Selection in Insurance Markets: Policyholder Evidence from the U.K. Annuity Market
(with James Poterba) Journal of Political Economy 112(1) Part 1: 183-208. 2004.
The Interaction of Partial Public Insurance Programs and Residual Private Insurance Markets: Evidence from the US Medicare Program
Journal of Health Economics, 23(1): 1-24. 2004.
2002
The Effect of Tax Subsides to Employer-Provided Supplementary Health Insurance: Evidence from Canada
Journal of Public Economics 84(3): 305-340. 2002.
Selection Effects in the United Kingdom Individual Annuities Market
(with James Poterba) The Economic Journal 112(476): 28-50. 2002.