Jeff Marr

Jeff Marr

Assistant Professor

Brown University

Biography

I am a health economist at Brown University, where I am an Assistant Professor of Health Services, Policy, and Practice in the School of Public Health. I study health care markets using quasi-experimental methods and administrative data. My current work focuses on Medicare, prior authorization, and the use of AI in health care. My research has been published in leading economics and health policy journals, including the Journal of Health Economics, Health Affairs, and Health Services Research. I received my PhD in health economics and policy from Johns Hopkins University.

Interests

  • Applied microeconomics
  • Health economics

Education

  • PhD in Health Economics and Policy, 2025

    Johns Hopkins University

  • BA in Economics, 2018

    Colgate University

Selected Publications and Working Papers

Marr J., Whaley C., Zhao X. (2026). From Payer to Provider: Impacts of Insurer Vertical Expansion into Physician Services. Working Paper.

Marr J. (2025). Algorithmic Decision-Making in Health Care: Evidence from Post-Acute Care in Medicare Advantage. Journal of Health Economics.

Marr J., Meyers DJ., Ryan AM. (2026) Pre-Claim Review And Traditional Medicare Home Health Spending: Evidence From 4 States. Health Affairs.

Marr J., Trivedi AN., Meyers DJ. (2026) Prior Authorization In Medicare Advantage: Beneficiary Exposure And Plan Disenrollment In 2021. Health Affairs.

Marr J., Ryan AM, Meyers DJ. (2026) Exposure to the New Medicare Advantage Risk Adjustment Model Varies Across Insurers. Health Affairs Scholar.

Marr J., Shroff J., Balkan E., Ryan AM, Trivedi AN, Meyers DJ. (2026) Use of Brokers in Medicare Advantage and Standalone Part D Plans . Health Services Research.