Adverse Selection, Commitment and Renegotiation : Extention to and Evidence From Insurance Markets
AbstractWith asymmetric information, full commitment to long-term contracts may permit markets to approach first-best allocations. However, commitment can be undermined by opportunistic behavior, notably renegotiation. The authors reexamine commitment in insurance markets. They present an alternative model (which extends Jean-Jaques Laffont and Jean Tirole's procurement model to address uncertainty and competition), which involves semipooling in the first period followed by separation. This and competing models (e.g., single-period models and no-commitment models) have different predictions concerning temporal patterns of insurer profitability. A test using California data suggests that some automobile insurers use commitment to attract selective portfolios comprising disproportionate numbers of low risks. Copyright 1994 by University of Chicago Press.
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Bibliographic InfoPaper provided by Universite de Montreal, Departement de sciences economiques in its series Cahiers de recherche with number 9134.
Length: 31 pages
Date of creation: 1991
Date of revision:
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Other versions of this item:
- Dionne, Georges & Doherty, Neil A, 1994. "Adverse Selection, Commitment, and Renegotiation: Extension to and Evidence from Insurance Markets," Journal of Political Economy, University of Chicago Press, vol. 102(2), pages 209-35, April.
- Dionne, G. & Doherty, N., 1991. "Adverse Selection, Commitment and Renegotiation : Extention to and Evidence From Insurance Markets," Cahiers de recherche 9134, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
- Dionne, G. & Doherty, N.A., 1993. "Adverse Selection, Commitment and Renegotiation: Extension to and Evidence from Insurance Markets," Papers 9301, Paris X - Nanterre, U.F.R. de Sc. Ec. Gest. Maths Infor..
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