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When do we have borrower or credit volume rationing in competitive credit market with imperfect information?

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  • Kraus, Daniel

Abstract

This paper examines the conditions for credit volume or borrower rationing in a competitive credit market in which the project characteristics are private information of the borrowers. There can only be credit volume rationing if the higher-risk credit applicants have a higher return in the event of a project success than the lower-risk credit applicants. Then the higher-risk borrowers are not rationed and obtain the social efficient credit volume. If the incentive compatibility constraint of the higher risk borrowers is binding, the lower-risk borrowers are credit volume rationed such that the constraint holds as an equation. If credit volume rationing is not sufficient to separate the borrower types, there is additionally a rationing of the low-risk borrowers. If the low-risk borrowers prefer a pooling to a separating contract, then there will not be a Cournot-Nash separating equilibrium, but a Wilson and a Grossmann pooling equilibrium.

Suggested Citation

  • Kraus, Daniel, 2010. "When do we have borrower or credit volume rationing in competitive credit market with imperfect information?," Thuenen-Series of Applied Economic Theory 117, University of Rostock, Institute of Economics.
  • Handle: RePEc:zbw:roswps:117
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    References listed on IDEAS

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    1. Besanko, David & Thakor, Anjan V., 1987. "Competitive equilibrium in the credit market under asymmetric information," Journal of Economic Theory, Elsevier, vol. 42(1), pages 167-182, June.
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    4. Igawa, Kazuhiro & Kanatas, George, 1990. "Asymmetric Information, Collateral, and Moral Hazard," Journal of Financial and Quantitative Analysis, Cambridge University Press, vol. 25(04), pages 469-490, December.
    5. Chan, Yuk-Shee & Thakor, Anjan V, 1987. " Collateral and Competitive Equilibria with Moral Hazard and Private Information," Journal of Finance, American Finance Association, vol. 42(2), pages 345-363, June.
    6. Besanko, David & Thakor, Anjan V, 1987. "Collateral and Rationing: Sorting Equilibria in Monopolistic and Competitive Credit Markets," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 28(3), pages 671-689, October.
    7. Herschel I. Grossman, 1979. "Adverse Selection, Dissembling, and Competitive Equilibrium," Bell Journal of Economics, The RAND Corporation, vol. 10(1), pages 336-343, Spring.
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    9. Bester, Helmut, 1985. "Screening vs. Rationing in Credit Markets with Imperfect Information," American Economic Review, American Economic Association, pages 850-855.
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    More about this item

    Keywords

    Credit rationing; Credit Size; Loan; Asymmetric Information; Adverse Selection; Non-linear optimization;

    JEL classification:

    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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