Adverse Selection, Commitment, and Renegotiation: Extension to and Evidence from Insurance Markets
With 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.
References listed on IDEAS
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- Paul Beaudry & Michel Poitevin, 1995.
"Competitive Screening in Financial Markets when Borrowers can Recontract,"
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- Jack Hirschleifer & John G. Riley, 1979. "Uncertainty and Information in Economics," UCLA Economics Working Papers 140, UCLA Department of Economics.
- Kunreuther, Howard & Pauly, Mark, 1985. "Market equilibrium with private knowledge : An insurance example," Journal of Public Economics, Elsevier, vol. 26(3), pages 269-288, April.
- Bolton, Patrick, 1990. "Renegotiation and the dynamics of contract design," European Economic Review, Elsevier, vol. 34(2-3), pages 303-310, May. Full references (including those not matched with items on IDEAS)
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