Cream Skimming, Dregs Skimming, and Pooling: On the Dynamics of Competitive Screening

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Cream Skimming, Dregs Skimming, and Pooling: On the Dynamics of Competitive Screening

Author Info

Diderik Lund ()
Tore Nilssen ()

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Abstract

We discuss the existence of a pooling equilibrium in a two-period model of an insurance market with asymmetric information. We solve the model numerically. We pay particular attention to the reasons for non-existence in cases where no pooling equilibrium exists. In addition to the phenomenon of cream skimming emphasized in earlier literature, we here point to the importance of the opposite: dregs skimming, whereby high-risk consumers are profitably detracted from the candidate pooling contract.

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Publisher Info
Article provided by Springer in its journal The GENEVA PAPERS on Risk and Insurance Theory.

Volume (Year): 29 (2004)
Issue (Month): 1 (06)
Pages: 23-41
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Handle: RePEc:kap:geneva:v:29:y:2004:i:1:p:23-41

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Article
- Diderik Lund & Tore Nilssen, 2004. "Cream Skimming, Dregs Skimming, and Pooling: On the Dynamics of Competitive Screening," The Geneva Risk and Insurance Review, Palgrave Macmillan Journals, vol. 29(1), pages 23-41, June. [Downloadable!] (restricted)
Paper
- Lund,D. & Nilssen,T., 2000. "Cream skimming, dregs skimming, and pooling : on the dynamics of competitive screening," Memorandum 39/2000, Oslo University, Department of Economics. [Downloadable!]
- Lund, Diderik & Nilssen, Tore, 2003. "Cream Skimming, Dregs Skimming, and Pooling: On the Dynamics of Competitive Screening," Working Papers 01-2003, Copenhagen Business School, Department of Economics. [Downloadable!]

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

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. [Downloadable!] (restricted)
Other versions:
- 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..
- 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., 1991. "Adverse Selection, Commitment and Renegotiation : Extention to and Evidence From Insurance Markets," Cahiers de recherche 9134, Universite de Montreal, Departement de sciences economiques.
Szpiro, George G, 1986. "Measuring Risk Aversion: An Alternative Approach," The Review of Economics and Statistics, MIT Press, vol. 68(1), pages 156-59, February. [Downloadable!] (restricted)
Rothschild, Michael & Stiglitz, Joseph E, 1976. "Equilibrium in Competitive Insurance Markets: An Essay on the Economics of Imperfect Information," The Quarterly Journal of Economics, MIT Press, vol. 90(4), pages 630-49, November.
Stiglitz, Joseph E, 1977. "Monopoly, Non-linear Pricing and Imperfect Information: The Insurance Market," Review of Economic Studies, Blackwell Publishing, vol. 44(3), pages 407-30, October. [Downloadable!] (restricted)
Parigi, Bruno M., 1994. "Self selection in a dynamic credit model," European Journal of Political Economy, Elsevier, vol. 10(3), pages 571-590, October. [Downloadable!] (restricted)
Asheim, Geir B. & Nilssen, Tore, 1996. "Non-discriminating renegotiation in a competitive insurance market," European Economic Review, Elsevier, vol. 40(9), pages 1717-1736, December. [Downloadable!] (restricted)
Other versions:
- Asheim, G.B. & Nilssen, T., 1994. "Non-Discriminating Renegotiation in a Competitive Insurance Market," Papers 25, Laval - Laboratoire Econometrie.
- Asheim, G.B. & Nilssen, T., 1995. "Non-Discriminating Renogociation in a Competitive Insurance Market," Memorandum 03/1995, Oslo University, Department of Economics.
Nilssen, Tore, 2000. "Consumer lock-in with asymmetric information," International Journal of Industrial Organization, Elsevier, vol. 18(4), pages 641-666, May. [Downloadable!] (restricted)

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