"How Does the Medicaid Buy-In Program Relate to Other Federal Efforts To Improve Access to Health Coverage for Adults With Disabilities?" Mathematica: The issue brief by researchers Sarah Davis and Henry Ireys examines how the Medicaid Buy-In program -- which allows states to expand Medicaid coverage to workers with disabilities whose incomes would otherwise make them ineligible -- compares to other federal programs that promote employment for people with disabilities, such as work-incentive provisions of the Social Security Disability Insurance and Supplemental Security Income programs. The brief also examines large-scale federal demonstration projects that aim to improve access to medical services for certain groups of working-age adults who have disabilities or potentially disabling conditions (Davis/Ireys, "How Does the Medicaid Buy-In Program Relate to Other Federal Efforts To Improve Access to Health Coverage for Adults With Disabilities?" 11/17).