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A Reconsideration of the Stiglitz-Weiss Model with a Discrete Number of Borrower Types

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  • Susanne Steger
  • Helke Waelde

Abstract

In this paper we show that the equilibrium in the Stiglitz-Weiss model (Stiglitz and Weiss, 1981) is a two-interest rate equilibrium. For this we use the true return-function for banks shown by Arnold (2005), the assumption of Bertrand competition and make a consideration for a discrete number of borrowers. Rationing only affects one group of the borrowers, i.e. the borrowers with a safe project. The risky group always receives the funds it demands.

Suggested Citation

  • Susanne Steger & Helke Waelde, 2007. "A Reconsideration of the Stiglitz-Weiss Model with a Discrete Number of Borrower Types," Working Papers 028, Bavarian Graduate Program in Economics (BGPE).
    • Handle: RePEc:bav:wpaper:028_steger_waelde
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    References listed on IDEAS

    as
    1. David de Meza & David C. Webb, 1987. "Too Much Investment: A Problem of Asymmetric Information," The Quarterly Journal of Economics, President and Fellows of Harvard College, vol. 102(2), pages 281-292.
    2. Hillier, Brian & Ibrahimo, M V, 1993. "Asymmetric Information and Models of Credit Rationing," Bulletin of Economic Research, Wiley Blackwell, vol. 45(4), pages 271-304, October.
    3. Stiglitz, Joseph E & Weiss, Andrew, 1981. "Credit Rationing in Markets with Imperfect Information," American Economic Review, American Economic Association, vol. 71(3), pages 393-410, June.
    4. Bester, Helmut, 1985. "Screening vs. Rationing in Credit Markets with Imperfect Information," American Economic Review, American Economic Association, vol. 75(4), pages 850-855, September.
    5. Olivier Jean Blanchard & Stanley Fischer, 1989. "Lectures on Macroeconomics," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262022834, April.
    6. Stahl, Dale O, II, 1988. "Bertrand Competition for Inputs and Walrasian Outcomes," American Economic Review, American Economic Association, vol. 78(1), pages 189-201, March.
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    More about this item

    Keywords

    credit rationing; asymmetric information; adverse selection;
    All these keywords.

    JEL classification:

    • D82 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Asymmetric and Private Information; Mechanism Design
    • E51 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Money Supply; Credit; Money Multipliers
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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