Revisiting The Effect of the Affordable Care Act Medicaid Expansion on Migration

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Connolly, Laura and Hampton, Matt and Lenhart, Otto (2022) Revisiting The Effect of the Affordable Care Act Medicaid Expansion on Migration. Discussion paper. University of Strathclyde, Glasgow.

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Abstract

We revisit the impact of the Affordable Care Act’s Medicaid expansion on interstate migration to determine the longer-run effects of the policy. Using American Community Survey data from 2010-2019 and a difference-in-differences (DiD) research design, we test for changes in migratory trends between expansion and non-expansion states. In contrast with prior findings examining short-run effects, we find evidence of increased migration from non-expansion-toexpansion states among those with Medicaid coverage after the policy change. Staggered DiD methods indicate that increases in net migration to expansion states are driven by reduced out-migration from expansion states.

ORCID iDs

Connolly, Laura, Hampton, Matt and Lenhart, Otto ORCID logoORCID: https://orcid.org/0000-0003-0949-4820;
CORE (COnnecting REpositories)