We use a combination of administrative and survey data to estimate the fraction of individuals newly enrolled in public health coverage (Wisconsin's combined Medicaid and CHIP program) that had access to private, employer-sponsored health insurance at the time of their enrollment and the...

The ACA provided funding to help states expand Medicaid eligibility. Expansions in Medicaid eligibility, however, could "crowd out" private insurance coverage. To estimate the extent of such crowd out, I use a difference-in-difference empirical approach, examining changes in health insurance...