The economics of moral hazard revisited

John A Nyman

Research output: Contribution to journalArticlepeer-review

71 Scopus citations

Abstract

Pauly's (1968) [Pauly, M., 1968. The economics of moral hazard, Comment, American Economic Review 58, 531-537.] analysis of the welfare loss from insurance assumes that medical care consumption is not determined by income, but recent studies suggest it is. This study argues that (1) Pauly's analysis overstates the welfare loss because it includes the effect of income on consumption, (2) the relevant income effect is derived from income transfers from the healthy to the ill that occur when the probability of illness is less than 1, and (3) the welfare loss can be considered the transaction cost of insurance. Copyright (C) 1999 Elsevier Science B.V.

Original languageEnglish (US)
Pages (from-to)811-824
Number of pages14
JournalJournal of Health Economics
Volume18
Issue number6
DOIs
StatePublished - Dec 1 1999

Keywords

  • Health insurance
  • Moral hazard
  • Welfare loss

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