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Single-name Credit Risk, Portfolio Risk and Credit Rationing

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Listed:
  • Lutz G. Arnold
  • Johannes Reeder
  • Stefanie Trepl

Abstract

type="main" xml:id="ecca12075-abs-0001"> In the Stiglitz–Weiss (1981) adverse selection model, pure credit rationing cannot arise in equilibrium. We show that this is due to the fact that single-name risks are independent and a well-diversified portfolio contains no risk. We introduce non-diversifiable macroeconomic risk to the model and show that risk-averse lenders possibly ration credit. Welfare analysis shows that an interest rate ceiling is potentially welfare enhancing and that equilibrium overinvestment can occur.

Suggested Citation

  • Lutz G. Arnold & Johannes Reeder & Stefanie Trepl, 2014. "Single-name Credit Risk, Portfolio Risk and Credit Rationing," Economica, London School of Economics and Political Science, vol. 81(322), pages 311-328, April.
    • Handle: RePEc:bla:econom:v:81:y:2014:i:322:p:311-328
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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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    3. Clancy, Daragh & Merola, Rossana, 2014. "The effect of macroprudential policy on endogenous credit cycles," Research Technical Papers 15/RT/14, Central Bank of Ireland.
    4. Clancy, Daragh & Merola, Rossana, 2017. "Countercyclical capital rules for small open economies," Journal of Macroeconomics, Elsevier, vol. 54(PB), pages 332-351.

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    More about this item

    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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