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The safe are rationed, the risky not – an extension of the Stiglitz-Weiss model

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  • Helke Waelde

    (Department of Economics, Johannes Gutenberg-Universitaet Mainz, Germany)

Abstract

Using only two risk types in the Stiglitz-Weiss model it turns out that the return function for banks has to be double hump-shaped. We derive the demand for loans and the supply of loans and find that loans are provided at two interest rates in equilibrium. The safe borrowers are rationed at the lower interest rate, whereas the risky borrowers are not rationed at all. Compared to the existing literature this suggests that the more heterogenous the risk types are, the less credit is rationed. However, credit-rationing persists in equilibrium as long as we consider a discrete number of types.

Suggested Citation

  • Helke Waelde, 2011. "The safe are rationed, the risky not – an extension of the Stiglitz-Weiss model," Working Papers 1108, Gutenberg School of Management and Economics, Johannes Gutenberg-Universität Mainz, revised 04 May 2011.
  • Handle: RePEc:jgu:wpaper:1108
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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.
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    More about this item

    JEL classification:

    • E43 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Interest Rates: Determination, Term Structure, and Effects
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • D44 - Microeconomics - - Market Structure, Pricing, and Design - - - Auctions

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