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Cooperative Public Health Insurance System: Effects of Medicare Buy-In Programs on Health Care Utilization

Moon, Sangho / Shin, Ja Eun

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Abstract

The paper examines the effect of the U.S. Medicare Buy-In program, a cooperative public health insurance system, on the health care use among Medicare beneficiaries. Zero-inflated negative binomial (ZINB) regression analysis is performed over the sample of 8,262 Medicare beneficiaries extracted from the U.S. Medical Expenditure Panel Survey 1996-2000. Dual eligibles are correlated with more utilization of agency-sponsored home healthcare services. The high utilization of home healthcare services among dual eligibles is the result of delayed realization of unmet need under the conventional Medicare program, but not the result of possible over-utilization triggered by the Medicare-Medicaid dual coverage. The Buy-In program is found to be a supportive hand over the Medicare low-income group with unmet medical care needs. The program is particularly beneficial to racial minority duals (rather than white duals) in receiving home health care or dental services.

Issue Date
2005-07
Publisher
Korean Association for Public Administration
Keywords
Medicare Buy-In program; dual eligibles; Zero-Inflated Negative Binomial (ZINB) regression Model; Medicare Buy-In program; dual eligibles; Zero-Inflated Negative Binomial (ZINB) regression Model
Citation
INTERNATIONAL REVIEW OF PUBLIC ADMINISTRATION, v.10, no.1, pp.59 - 69, 2005
Journal Title
INTERNATIONAL REVIEW OF PUBLIC ADMINISTRATION
Start Page
59
End Page
69
ISSN
1229-4659
Language
English
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