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

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Author Info

  • Lund, Diderik

    (Department of Economics, Copenhagen Business School)

  • Nilssen, Tore

    (Department of Economics, Copenhagen Business School)

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 phenom- enon of cream skimming emphasized in earlier literature, we here point to the the importance of the opposite: dregs skimming, whereby high-risk consumers are proÞtably detracted from the candidate pooling contract.

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File URL: http://openarchive.cbs.dk/cbsweb/handle/10398/7596
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Bibliographic Info

Paper provided by Copenhagen Business School, Department of Economics in its series Working Papers with number 01-2003.

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Length: 24 pages
Date of creation: 20 Mar 2003
Date of revision:
Handle: RePEc:hhs:cbsnow:2003_001

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Postal: Department of Economics, Copenhagen Business School, Solbjerg Plads 3 C, 5. sal, DK-2000 Frederiksberg, Denmark
Phone: 38 15 25 75
Fax: 38 15 34 99
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Web page: http://www.cbs.dk/departments/econ/
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Keywords: Insurance; Insurance Companies; Transactional relationships; Reputation;

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References

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  1. 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.
  2. Asheim, G.B. & Nilssen, T., 1995. "Non-Discriminating Renogociation in a Competitive Insurance Market," Memorandum 03/1995, Oslo University, Department of Economics.
  3. 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.
  4. Nilssen, Tore, 2000. "Consumer lock-in with asymmetric information," International Journal of Industrial Organization, Elsevier, vol. 18(4), pages 641-666, May.
  5. Stiglitz, Joseph E, 1977. "Monopoly, Non-linear Pricing and Imperfect Information: The Insurance Market," Review of Economic Studies, Wiley Blackwell, vol. 44(3), pages 407-30, October.
  6. Parigi, Bruno M., 1994. "Self selection in a dynamic credit model," European Journal of Political Economy, Elsevier, vol. 10(3), pages 571-590, October.
  7. 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.
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Cited by:
  1. Andreas A. Jobst, 2002. "Loan securitisation: default term structure and asset pricing based on loss prioritisation," LSE Research Online Documents on Economics 24941, London School of Economics and Political Science, LSE Library.
  2. Jobst, Andreas A., 2002. "The Pricing puzzle: The default term structure of collateralised loan obligations," CFS Working Paper Series 2002/14, Center for Financial Studies (CFS).

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