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Self-insurance and market insurance substitutability: An established tenet reconsidered

Research output: Contribution to journal › Article › peer-review

Abstract

We study the interaction between self-insurance and market insurance when accident losses are multivalued. We show that self-insurance and market insurance may be complementary when self-insurance expenses do not affect much the probability distribution of large losses and the loading factor is high. This contrasts sharply with the conclusion of Ehrlich and Becker (1972) who establish the substitutability between self-insurance and market insurance when the cost of an accident is single-valued.

Original languageEnglish
Article number106180
JournalJournal of Economic Theory
Volume234
DOIs
Publication statusPublished - 1 May 2026

Keywords

  • Contracts
  • Insurance
  • Risk prevention
  • Self-insurance

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