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The design of insurance coverage for medical products under imperfect competition

David Bardey, Helmuth Cremer and Jean-Marie Lozachmeur

No 12564, Documentos CEDE from Universidad de los Andes, Facultad de Economía, CEDE

Abstract: This paper studies the design of health insurance with ex post moral hazard, when there is imperfect competition in the market for the medical product. Various scenarios, such as monopoly pricing, price negotiation or horizontal differentiation are considered. The insurance contract specifies two types of copayments: an ad valorem coinsurance rate and a specific (per unit) copayment. By combining both copayment rates in an adequate way the insurer can effectively control the producer price, which is then set so that the producer´s revenue just covers …fixed costs. Consequently, a suitable regulation of the copayment instruments leads to the same reimbursement rule of individual expenditures as under perfect competition for medical products. Additional rationing of coverage because of imperfect competition as advocated by Feldstein (1973) is thus not necessary. Interestingly the optimal policy closely resembles a reference price mechanism in which copayment rates are low (possibly negative) and coinsurance rates are high.

Keywords: ex post moral hazard; health insurance contracts; copayments; imperfect competition. (search for similar items in EconPapers)
JEL-codes: I11 I13 I18 (search for similar items in EconPapers)
Pages: 29
Date: 2015-02-03
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Citations: View citations in EconPapers (3)

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https://repositorio.uniandes.edu.co/bitstream/handle/1992/8540/dcede2015-02.pdf

Related works:
Journal Article: The design of insurance coverage for medical products under imperfect competition (2016) Downloads
Working Paper: The Design of Insurance Coverage for Medical Products under Imperfect Competition (2015) Downloads
Working Paper: The Design of Insurance Coverage for Medical Products under Imperfect Competition (2015) Downloads
Working Paper: The design of insurance coverage for medical products under imperfect competition (2015) Downloads
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