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Cited by 44Healthcare Policy and ManagementHealthcare Systems and ReformsFood Security and Health in Diverse Populations

The Medicaid Program

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Buchmueller, Thomas, Ham, John, Shore-Sheppard, Lara·2015·National Bureau of Economic Research
DOI 10.3386/w21425
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Abstract

In both its costs and the number of its enrollees, Medicaid is the largest means-tested transfer program in the United States. It is also a fundamental part of the health care system, providing health insurance to low-income families, indigent seniors, disabled adults and, in some states, low-income adults more broadly. This paper reviews the history and structure of the Medicaid program and the large body of economic research that it has spawned in the nearly half century since it was established. We begin by summarizing the program’s history, goals and current rules. We then present program statistics, mainly related to enrollment and expenditures. Finally we turn to the research on the impact of Medicaid on a broad range of outcomes, discussing theoretical and methodological issues important for understanding these effects and reviewing the empirical literature, describing what has been learned thus far, investigating areas where studies seem to reach different conclusions and pointing to areas where we believe additional research would be fruitful.

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  • Low reimbursement rates discourage providers from participating in insurance plans, reducing the availability of providers.

    “Low reimbursement rates discourage providers from participating in insurance plans, which will reduces the availability of providers [318] and force clinicians to repeatedly negotiate with insurers for coverage of crucial procedures, further intensifying time pressures for timely diagnostic testing [319].”

    From Toward Safer Diagnoses: A SEIPS-Based Narrative Review of Diagnostic Errors (2026) · cites this paper as [318]

    The “Impact of Fees” section says low payment rates are linked to limited physician participation in Medicaid, and that higher Medicaid fees are associated with greater willingness to treat publicly insured patients. This supports reduced provider availability for Medicaid patients, but the cited paper does not establish the claim for insurance plans generally. The later clause about negotiations with insurers is attached to a different citation. (LLM, conf=0.83)

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Authors
Buchmueller, T., Ham, J., & Shore-Sheppard, L.
ORCID
Buchmueller, Thomas
Venue
National Bureau of Economic Research
Publisher
National Bureau of Economic Research
Published
2015-07
Pages
21-136
DOI
10.3386/w21425
OpenAlex
W3122180447
Cited by
44
References
0
Citations by year
2026: 1 · 2025: 2 · 2024: 6 · 2023: 3 · 2022: 3 · 2021: 2 · 2020: 5 · 2019: 3 · 2018: 9 · 2017: 5 · 2016: 5
Type
report
Language
fr
Open access
Locations
  • National Bureau of Economic Research (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • SSRN Electronic Journal (submittedVersion)
Topics
  • Social Sciences › Economics, Econometrics and Finance › Economics and Econometrics › Healthcare Policy and Management
  • Social Sciences › Economics, Econometrics and Finance › Finance › Healthcare Systems and Reforms
  • Health Sciences › Health Professions › General Health Professions › Food Security and Health in Diverse Populations
Keywords
Medicaid, health insurance, low-income households, adults with disabilities, program history, program enrollment, program costs, program impact, health care financing

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