معرفی
Jeffrey D Marr is an Assistant Professor of Health Services, Policy, and Practice at Brown University’s School of Public Health. His research focuses on health care markets using quasi-experimental methods and administrative data, with current work emphasizing Medicare, private insurance, and AI applications in healthcare decision-making. Marr holds a PhD in Health Economics and Policy from Johns Hopkins University (2025) and a BA in Economics from Colgate University (2018).
- Key Affiliations: Brown University School of Public Health
- Research Themes: Algorithmic healthcare decision-making, Medicare Advantage networks, insurer market power, and post-acute care economics
His research demonstrates how predictive algorithms reduce skilled nursing facility stays without compromising health outcomes, and how Medicare Advantage expansion impacts hospital pricing and provider networks. Marr’s work has been published in prestigious journals like Health Affairs, Health Services Research, and Journal of the American Geriatrics Society.
His studies on Medicaid managed care reveal hospital pricing disparities linked to insurer bargaining power, while analyses of Medicare Advantage enrollment trends highlight shifts in supplemental insurance usage among elderly patients. Marr’s research also addresses critical issues like dialysis facility choice constraints and home-based care utilization differences between Medicare programs.
