Evidence Base
Why the Future of Charity Care Might Depend on Marble Bathrooms
July 8, 2025
Featured Experts: Manav Midha, John Romley, PhD
Research
All Research Featured Research
Journal Article
Shingles Vaccination in Medicare Part D After Inflation Reduction Act Elimination of Cost Sharing
May 23, 2024
Featured Experts: Dima M. Qato, PharmD, MPH, PhD, John Romley, PhD, Rebecca Myerson, PhD, MPH, Dana Goldman, PhD
Journal Article
Change in Epidemiology of Creutzfeldt-Jakob Disease in the US, 2007-2020
December 12, 2023
Featured Experts: John Romley, PhD
Journal Article
Epidemiology of Mortality Attributed to Falls in Older Adults in the US, 1999–2020
September 28, 2023
Featured Experts: John Romley, PhD
Journal Article
Reduced Racial Disparity in Receipt of Optimal Locoregional Treatment for Women with Early-Stage Breast Cancer
September 1, 2023
Featured Experts: John Romley, PhD
White Paper
Price Changes Varied Widely Across California Hospital Systems from 2012 through 2018
August 18, 2022
Featured Experts: John Romley, PhD, Erin Trish, PhD, Darius Lakdawalla, PhD
Journal Article
What Do Nonprofit Hospitals Reward? An Examination of CEO Compensation in Nonprofit Hospitals
March 21, 2022
Featured Experts: Karen Mulligan, PhD, Seema (Choksy) Pessar, MPP, John Romley, PhD
Journal Article
Association of Cash Payment with Intensity of Opioid Prescriptions
February 1, 2022
Featured Experts: John Romley, PhD
Journal Article
Disparities In County COVID-19 Vaccination Rates Linked To Disadvantage And Hesitancy
November 1, 2021
Featured Experts: John Romley, PhD
Data Visualization
County-Level COVID-19 Vaccination Coverage, By Social Vulnerability and Vaccine Hesitancy
November 1, 2021
Featured Experts: John Romley, PhD
Journal Article
Reporting of Infectious Diseases in the United States During the Coronavirus Disease 2019 (COVID-19) Pandemic
June 7, 2021
Featured Experts: John Romley, PhD
Journal Article
Access to the 340B Drug Pricing Program: Is There Evidence of Strategic Hospital Behavior?
June 3, 2021
Featured Experts: Karen Mulligan, PhD, John Romley, PhD
Journal Article
Comparison of Direct Oral Anticoagulants Versus Warfarin in Patients With Atrial Fibrillation and Bioprosthetic Heart Valves
May 1, 2021
Featured Experts: Jason Doctor, PhD, John Romley, PhD
Journal Article
Association Between Exenatide Use and Incidence of Alzheimer’s Disease
February 15, 2021
Featured Experts: Julie Zissimopoulos, PhD, Dana Goldman, PhD, John Romley, PhD
News
Survey Results Show Evidence Americans are Feeling COVID Fatigue, Engaging in Less Protective Behaviors
January 23, 2021
Featured Experts: John Romley, PhD
Journal Article
Change in Reported Adherence to Nonpharmaceutical Interventions During the COVID-19 Pandemic, April-November 2020
January 23, 2021
Featured Experts: John Romley, PhD
Evidence Base
Free COVID-19 Vaccines: Not Enough to Guarantee Acceptance, Especially Among Black Americans
October 8, 2020
Featured Experts: Dana Goldman, PhD, John Romley, PhD
Journal Article
New Evidence on the Compensation of Chief Executive Officers at Nonprofit U.S. Hospitals
October 1, 2020
Featured Experts: Karen Mulligan, PhD, Seema (Choksy) Pessar, MPP, John Romley, PhD
Journal Article
Productivity Growth in Treating a Major Chronic Health Condition
May 15, 2020
Featured Experts: John Romley, PhD, Neeraj Sood, PhD, Dana Goldman, PhD