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Replication data for: Externalities and Taxation of Supplemental Insurance: A Study of Medicare and Medigap

Version
V0
Resource Type
Dataset
Creator
  • Cabral, Marika
  • Mahoney, Neale
Publication Date
2019-04-01
Description
  • Abstract

    Most health insurance uses cost-sharing to reduce excess utilization. Supplemental insurance can blunt the impact of this cost-sharing, increasing utilization and exerting a negative externality on the primary insurer. This paper estimates the effect of private Medigap supplemental insurance on public Medicare spending using Medigap premium discontinuities in local medical markets that span state boundaries. Using administrative data on the universe of Medicare beneficiaries, we estimate that Medigap increases an individual's Medicare spending by 22.2 percent. We calculate that a 15 percent tax on Medigap premiums generates savings of $12.9 billion annually with a standard error of $4.9 billion.
Availability
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Relations
  • Is supplement to
    DOI: 10.1257/app.20160350 (Text)
Publications
  • Cabral, Marika, and Neale Mahoney. “Externalities and Taxation of Supplemental Insurance: A Study of Medicare and Medigap.” American Economic Journal: Applied Economics 11, no. 2 (April 2019): 37–73. https://doi.org/10.1257/app.20160350.
    • ID: 10.1257/app.20160350 (DOI)

Update Metadata: 2020-05-18 | Issue Number: 2 | Registration Date: 2019-10-12

Cabral, Marika; Mahoney, Neale (2019): Replication data for: Externalities and Taxation of Supplemental Insurance: A Study of Medicare and Medigap. Version: V0. ICPSR - Interuniversity Consortium for Political and Social Research. Dataset. https://doi.org/10.3886/E113700