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Multiple versus Single Banking Relationships: Theory and Evidence


  • Enrica Detragiache

    (International Monetary Fund,)

  • Paolo Garella

    (Universita' di Bologna,)

  • Luigi Guiso

    (Universita' di Sassari and Ente Luigi Einaudi)


A theory of the optimal number of banking relationships is developed and tested using matched bank-firm data. According to the theory, relationship banks may be unable to continue funding profitable projects owing to internal problems and a firm may thus have to refinance from nonrelationship banks. The latter, however, face an adverse selection problem, as they do not know the quality of the project, and may refuse to lend. In these circumstances, multiple banking can reduce the probability of an early liquidation of the project. The empirical evidence supports the predictions of the model. Copyright The American Finance Association 2000.

Suggested Citation

  • Enrica Detragiache & Paolo Garella & Luigi Guiso, 2000. "Multiple versus Single Banking Relationships: Theory and Evidence," Journal of Finance, American Finance Association, vol. 55(3), pages 1133-1161, June.
  • Handle: RePEc:bla:jfinan:v:55:y:2000:i:3:p:1133-1161

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    References listed on IDEAS

    1. Scholes, Myron S, 1972. "The Market for Securities: Substitution versus Price Pressure and the Effects of Information on Share Prices," The Journal of Business, University of Chicago Press, vol. 45(2), pages 179-211, April.
    2. Lynch, Anthony W & Mendenhall, Richard R, 1997. "New Evidence on Stock Price Effects Associated with Changes in the S&P 500 Index," The Journal of Business, University of Chicago Press, vol. 70(3), pages 351-383, July.
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