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The Formation of Financial Networks

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Author Info
Ana Babus (Erasmus University Rotterdam)

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Abstract

Modern banking systems are highly interconnected. Despite their various benefits, the linkages that exist between banks carry the risk of contagion. In this paper we investigate how banks decide on direct balance sheet linkages and the implications for contagion risk. In particular, we model a network formation process in the banking system. Banks form links order to reduce the risk of contagion. The network is formed endogenously and serves as an insurance mechanism. We show that banks manage to form networks that are resilient to contagion. Thus, in an equilibrium network, the probability of contagion is virtually 0.

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Paper provided by Fondazione Eni Enrico Mattei in its series Working Papers with number 2007.69.

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Date of creation: Jun 2007
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Handle: RePEc:fem:femwpa:2007.69

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Related research
Keywords: Financial Stability Network Formation Contagion Risk

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Find related papers by JEL classification:
C70 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - General
G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Mortgages

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Dutta, Bhaskar & Ghosal, Sayantan & Ray, Debraj, 2005. "Farsighted network formation," Journal of Economic Theory, Elsevier, vol. 122(2), pages 143-164, June. [Downloadable!] (restricted)
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  2. Rodrigo Cifuentes & Hyun Song Shin & Gianluigi Ferrucci, 2005. "Liquidity Risk and Contagion," Journal of the European Economic Association, MIT Press, vol. 3(2-3), pages 556-566, 04/05. [Downloadable!] (restricted)
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  4. Furfine, Craig H, 2003. " Interbank Exposures: Quantifying the Risk of Contagion," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 35(1), pages 111-28, February.
  5. Upper, Christian & Worms, Andreas, 2004. "Estimating bilateral exposures in the German interbank market: Is there a danger of contagion?," European Economic Review, Elsevier, vol. 48(4), pages 827-849, August. [Downloadable!] (restricted)
  6. Xavier Freixas & Bruno Parigi & Jean Charles Rochet, 1998. "Systemic Risk, Interbank Relations and Liquidity Provision by the Central Bank," Economics Working Papers 440, Department of Economics and Business, Universitat Pompeu Fabra, revised Sep 1999. [Downloadable!]
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  7. Carlsson, Hans & van Damme, Eric, 1993. "Global Games and Equilibrium Selection," Econometrica, Econometric Society, vol. 61(5), pages 989-1018, September. [Downloadable!] (restricted)
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  8. George Sheldon & Martin Maurer, 1998. "Interbank Lending and Systemic Risk: An Empirical Analysis for Switzerland," Swiss Journal of Economics and Statistics (SJES), Swiss Society of Economics and Statistics (SSES), vol. 134(IV), pages 685-704, December. [Downloadable!]
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  10. Matthew O. Jackson & Francis Bloch, 2004. "The Formation of Networks with Transfers among Players," Grand Coalition 78, Grand Coalition Web Site. [Downloadable!]
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  11. Douglas W. Diamond & Philip H. Dybvig, 2000. "Bank runs, deposit insurance, and liquidity," Quarterly Review, Federal Reserve Bank of Minneapolis, issue Win, pages 14-23. [Downloadable!]
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  12. Jackson, Matthew O. & Wolinsky, Asher, 1996. "A Strategic Model of Social and Economic Networks," Journal of Economic Theory, Elsevier, vol. 71(1), pages 44-74, October. [Downloadable!] (restricted)
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  13. Degryse, H.A. & Nguyen, G., 2004. "Interbank exposures : an empirical examination of systemic risk in the Belgian banking system," Discussion Paper 4, Tilburg University, Center for Economic Research. [Downloadable!]
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  14. Amil Dasgupta, 2004. "Financial Contagion Through Capital Connections: A Model of the Origin and Spread of Bank Panics," Journal of the European Economic Association, MIT Press, vol. 2(6), pages 1049-1084, December. [Downloadable!] (restricted)
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Cited by:
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  1. Castiglionesi, F. & Navarro, N., 2007. "Optimal Fragile Financial Networks," Discussion Paper 2007-100, Tilburg University, Center for Economic Research. [Downloadable!]
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