Research
Working Papers
“Rationing Medicine Through Bureaucracy: Authorization Restrictions in Medicare” with Samantha Burn, Zarek Brot-Goldberg, and Boris Vabson. NBER Working Paper 30878. Revisions Requested at American Economic Review.
“Reducing Administrative Barriers Increases Take-up of Subsidized Health Insurance Coverage: Evidence from a Field Experiment” with Keith Ericson, Adrianna McIntyre, and Adam Sacarny. NBER Working Paper 30885. Revisions Requested at Review of Economics and Statistics.
“Adverse Selection and Access to High Quality Specialty Care under Privatized Social Insurance Programs: Evidence from New York Medicaid” with Amanda Krieder, Mark Shepard, and Jacob Wallace. NBER Working Paper 30719. Revisions Requested at Journal of Health Economics.
“The Incidence of Adverse Selection: Theory and Evidence from Insurance Choices” with Mike Geruso and Adam Leive. NBER Working Paper 31435. Submitted.
“Adverse Selection and (un)Natural Monopoly in Insurance Markets” with Ed Kong and Mark Shepard. Working Paper.
Publications in Economics
“The Behavioral Foundations of Default Effects: Theory and Evidence from Medicare Part D” with Zarek Brot-Goldberg, Boris Vabson, and Adelina Wang. NBER Working Paper 28331.
Forthcoming at American Economic Review.
“Are All Managed Care Plans Created Equal? Evidence from Random Plan Assignment in New York Medicaid Managed Care” with Mike Geruso and Jacob Wallace. NBER Working Paper 27762.
American Economic Journal: Applied Economics, 2023, 15(3): 341-79.
“The Two Margin Problem in Insurance Markets” with Mike Geruso, Grace McCormack, and Mark Shepard. NBER Working Paper 26288.
Review of Economics and Statistics, 2023, 105(2): 237-257.
“Health Care Rationing in Public Insurance Programs: Evidence from Medicaid” with Nicole Maestas, Daniel Prinz, and Boris Vabson. NBER Working Paper 26042.
American Economic Journal: Economic Policy, 2022, 14(4): 397-431.
(previously circulated as “Public vs. Private Provision of Social Insurance: Evidence from Medicaid”)
“The Liquidity Sensitivity of Healthcare Consumption: Evidence from Social Security Payments” with Tal Gross and Daniel Prinz. NBER Working Paper 27977.
American Economic Review: Insights, 2022, 4(2): 175-90.
“Upcoding: Evidence from Medicare on Squishy Risk Adjustment” with Mike Geruso. NBER Working Paper 21222.
Journal of Political Economy, 2020, 128(3): 984-1026.
“Data Transformations to Improve the Performance of Health Plan Payment Models” with Savannah Bergquist, Tom McGuire, and Sherri Rose. NBER Working Paper 24491.
Journal of Health Economics, 2019, 66: 195-207.
“Screening in Contract Design: Evidence from the ACA Marketplaces” with Mike Geruso and Daniel Prinz. NBER Working Paper 22832.
American Economic Journal: Economic Policy, 2019, 11(2): 64-107.
“Deriving Risk Adjustment Payment Weights to Maximize Efficiency of Health Insurance Markets” with Tom McGuire and Richard van Kleef. NBER Working Paper 22642.
Journal of Health Economics, 2018, 61: 93-110.
“Selection in Health Insurance Markets and Its Policy Remedies” with Mike Geruso. NBER Working Paper 23876.
Journal of Economic Perspectives, 2017, 31(4): 237-255.
"Imperfect Risk Adjustment, Risk Preferences, and Sorting in Competitive Health Insurance Markets”
Journal of Health Economics, 2017, 56: 259-280.
“Marketplace Plan Payment Options for Dealing with High-Cost Enrollees” with Tom McGuire. NBER Working Paper 22519.
American Journal of Health Economics, 2017, 3(2): 165-191.
“Measuring Efficiency of Health Plan Payment Systems in Managed Competition Health Insurance Markets” with Randy Ellis, Tom McGuire, and Richard van Kleef. NBER Working Paper 21531.
Journal of Health Economics, 2017, 56: 237-255.
“Risk Corridors and Reinsurance in Health Insurance Marketplaces: Insurance for Insurers” with Tom McGuire and Anna Sinaiko. NBER Working Paper 20515.
American Journal of Health Economics, 2016, 2(1): 66-95.
Publications in Health Policy
“The Effects of Plan Payment Rates on the Market for Medicare Advantage Dual-Eligible Special Needs Plans” with Brian McGarry and David Grabowski.
Health Services Research, 54(5):1137-1145.
“Diagnosis of Attention Deficit Hyperactivity Disorder and Time of School Enrollment” with Michael Barnett, Tanner Hicks, and Anupam Jena.
New England Journal of Medicine, 2018, 379(22): 2122-2130.
“Sample Selection for Medicare Risk Adjustment Due to Systematically Missing Data” with Savannah Bergquist, Tom McGuire, and Sherri Rose.
Health Services Research, 2018, 53(6): 4204-4223.
“Nudging Leads Consumers In Colorado To Shop But Not Switch ACA Marketplace Plans” with Keith Ericson, Jon Kingsdale, and Adam Sacarny.
Health Affairs, 2017, 36(2): 311-319.
“Family Risk Pooling in Individual Health Insurance Markets” with Anna Sinaiko, Sherri Rose, and Tom McGuire.
Health Services and Outcomes Research Methodology, 2017, 17(3-4): 219-236.
“Computational Health Economics for Identification of Unprofitable Health Care Enrollees” with Savannah Bergquist and Sherri Rose.
Biostatistcs, 2017, 18(4): 682-694.
“Risk-Adjustment Simulation: Plans May Have Incentives To Distort Mental Health and Substance Use Coverage” with Ellen Montz, Alisa Busch, Randy Ellis, Sherri Rose, and Tom McGuire.
Health Affairs, 2016, 35(6): 1022-8.
“Higher Incentive Payments in Medicare Advantage’s Pay-for-Performance Did Not Improve Quality, But Did Increase Plan Offerings” with Andy Ryan.
Health Services Research, 2015, 50(6): 1810-28.
“The Power of Reinsurance in Health Insurance Exchanges to Improve the Fit of the Payment System and Reduce Incentives for Adverse Selection” with Jane Zhu, Anna Sinaiko, and Tom McGuire.
Inquiry, 2013, 50(4): 255-74.
Works in Progress
“Grading Medicaid: Fiscal Federalism and Social Insurance in the United States” with Nicole Maestas, Daniel Prinz, Mark Shepard, and Boris Vabson.
“Medicaid vs. Medicare” with Nicole Maestas, Daniel Prinz, Mark Shepard, and Boris Vabson.
“The Geography of Healthcare Disparities” with Graeme Peterson.
“Nursing Home Value-Added: Evidence from Facility Closures” with Amitabh Chandra and Connie Xu
“Are Health Insurance Expansions Progressive?” with Sam Burn and Mark Shepard