1. Filling the Medicaid gap with a public option Author(s): Holahan, John, authorSimpson, Michael, author Publication: Washington, DC : Urban Institute, October 2021 Subject(s): Health Care Reform -- legislation & jurisprudenceMedicaid -- economicsMedically Uninsured -- statistics & numerical dataPoverty -- statistics & numerical dataPrescription Drugs -- economicsUnited StatesUnited States.