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family economic policy & poverty
The operative claimExpanding children's eligibility for public health insurance (Medicaid and CHIP) increased coverage and access to care and produced lasting gains in adult health, educational attainment, and economic self-sufficiency — with government later recouping a substantial share of the cost through higher tax payments and reduced transfers.
Established that childhood public-insurance eligibility improves long-run adult health, attainment, and self-sufficiency; the contested edges are the size of contemporaneous health-status effects and the degree of fiscal self-financing.
Identified from quasi-experimental variation in state-and-cohort eligibility (simulated-instrument and difference-in-differences designs) using administrative and longitudinal data (IRS records, PSID, NHIS). Effects concentrate in the low-income subgroups the expansions targeted and are strongest for exposure in early childhood. Long-run attainment, earnings, and mortality effects are more robust than contemporaneous health-status measures, which are mixed across studies.
Brown, D. W., Kowalski, A. E., & Lurie, I. Z (2019). Long-Term Impacts of Childhood Medicaid Expansions on Outcomes in Adulthood. The Review of Economic Studies.
Longitudinal
Greater childhood Medicaid eligibility raised college enrollment and adult tax payments, lowered EITC receipt and mortality; the government recoups ~56–58 cents per dollar by age 28.
doi.org/10.1093/restud/rdz039Thompson, O (2016). The long-term health impacts of Medicaid and CHIP. Journal of Health Economics.
Longitudinal
An additional year of childhood public-insurance eligibility improves an adult-health index by ~0.079 SD and reduces chronic conditions and health limitations.
doi.org/10.1016/j.jhealeco.2016.12.003Boudreaux, M. H., Golberstein, E., & McAlpine, D. D (2015). The Long-Term Impacts of Medicaid Exposure in Early Childhood: Evidence from the Program's Origin. Journal of Health Economics.
Longitudinal
Early-childhood (0–5) Medicaid exposure is associated with significant adult-health gains in targeted subgroups; economic-outcome estimates are imprecise.
doi.org/10.1016/j.jhealeco.2015.11.001Groves, L. H (2019). Still "Saving Babies"? The Impact of Child Medicaid Expansions on High School Completion Rates. Contemporary Economic Policy.
Observational
Higher early-childhood Medicaid generosity significantly lowered dropout and raised four-year graduation rates.
doi.org/10.1111/coep.12431Counter-authority (1). Studies an adversary may cite — surfaced deliberately so the grade is honest about its limits.
Howell, E. M., & Kenney, G. M (2012). The Impact of the Medicaid/CHIP Expansions on Children: A Synthesis of the Evidence. Medical Care Research and Review.
Systematic review
Strong evidence for enrollment and access gains (especially dental); evidence on health-status improvements is fewer in number and mixed.
doi.org/10.1177/10775587124372454 supporting · 1 counter verified sources
Contemporaneous child health-status improvements are mixed across the rigorous review literature; economic estimates for some early cohorts are imprecise; effects concentrate in the targeted low-income subgroups and are strongest for early-childhood exposure; the long-run administrative studies cannot fully isolate which program features (eligibility, take-up, or continuity) drive the gains; and findings concern childhood eligibility, not adult-only ACA expansion.