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Hubs and resilience: towards more realistic models of the interbank markets

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  • Mattia Montagna
  • Thomas Lux
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    Abstract

    This paper uses a toy financial system to study systemic risk in scale-free interbank networks. Networks are produced according to a fitness algorithm, combined with a representation of the balance sheets of the banks. Our generating processes for interbank networks are designed in a way to reproduce the frequently documented features of disassortative behavior, power laws in the degree distributions and power laws in the distribution of bank sizes. The results show the presence of a particular shell structure affecting the spread of an endogenous shock

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    File URL: https://www.ifw-members.ifw-kiel.de/publications/hubs-and-resilience-towards-more-realistic-models-of-the-interbank-markets-1/1826_KWP.pdf
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    Bibliographic Info

    Paper provided by Kiel Institute for the World Economy in its series Kiel Working Papers with number 1826.

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    Length: 26 pages
    Date of creation: Feb 2013
    Date of revision:
    Handle: RePEc:kie:kieliw:1826

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    Related research

    Keywords: Interbank market; contagion; networks; financial stability;

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    References

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    1. Hubert P. Janicki & Edward S. Prescott, 2006. "Changes in the size distribution of U.S. banks: 1960-2005," Economic Quarterly, Federal Reserve Bank of Richmond, Federal Reserve Bank of Richmond, issue Fall, pages 291-316.
    2. Memmel, Christoph & Sachs, Angelika, 2013. "Contagion in the interbank market and its determinants," Journal of Financial Stability, Elsevier, Elsevier, vol. 9(1), pages 46-54.
    3. Upper, Christian, 2011. "Simulation methods to assess the danger of contagion in interbank markets," Journal of Financial Stability, Elsevier, Elsevier, vol. 7(3), pages 111-125, August.
    4. Kimmo Soramaki & Morten L. Bech & Jeffrey Arnold & Robert J. Glass & Walter Beyeler, 2006. "The topology of interbank payment flows," Staff Reports, Federal Reserve Bank of New York 243, Federal Reserve Bank of New York.
    5. Huberto M. Ennis, 2001. "On the size distribution of banks," Economic Quarterly, Federal Reserve Bank of Richmond, Federal Reserve Bank of Richmond, issue Fall, pages 1-25.
    6. Gai, Prasanna & Haldane, Andrew & Kapadia, Sujit, 2011. "Complexity, concentration and contagion," Journal of Monetary Economics, Elsevier, Elsevier, vol. 58(5), pages 453-470.
    7. G. De Masi & G. Iori & G. Caldarelli, 2006. "A fitness model for the Italian Interbank Money Market," Papers physics/0610108, arXiv.org.
    8. Thomas Lux, Daniel Fricke, 2012. "Core-Periphery Structure in the Overnight Money Market: Evidence from the e-MID Trading Platform," Kiel Working Papers 1759, Kiel Institute for the World Economy.
    9. Nier, Erlend & Yang, Jing & Yorulmazer, Tanju & Alentorn, Amadeo, 2007. "Network models and financial stability," Journal of Economic Dynamics and Control, Elsevier, Elsevier, vol. 31(6), pages 2033-2060, June.
    10. Karl Finger & Daniel Fricke & Thomas Lux, 2013. "Network analysis of the e-MID overnight money market: the informational value of different aggregation levels for intrinsic dynamic processes," Computational Management Science, Springer, Springer, vol. 10(2), pages 187-211, June.
    11. Stefano Battiston & Domenico Delli Gatti & Mauro Gallegati & Bruce C. Greenwald & Joseph E. Stiglitz, 2009. "Liaisons Dangereuses: Increasing Connectivity, Risk Sharing, and Systemic Risk," NBER Working Papers 15611, National Bureau of Economic Research, Inc.
    12. Cocco, João F. & Gomes, Francisco J. & Martins, Nuno C., 2009. "Lending relationships in the interbank market," Journal of Financial Intermediation, Elsevier, Elsevier, vol. 18(1), pages 24-48, January.
    13. Paolo Emilio Mistrulli, 2007. "Assessing financial contagion in the interbank market: Maximum entropy versus observed interbank lending patterns," Temi di discussione (Economic working papers), Bank of Italy, Economic Research and International Relations Area 641, Bank of Italy, Economic Research and International Relations Area.
    14. Iori, G. & Masi, G. D. & Precup, O. V. & Gabbi, G. & Caldarelli, G., 2005. "A network analysis of the Italian oversight money market," Working Papers, Department of Economics, City University London 05/05, Department of Economics, City University London.
    15. Michael Boss & Helmut Elsinger & Martin Summer & Stefan Thurner, 2004. "Network topology of the interbank market," Quantitative Finance, Taylor & Francis Journals, Taylor & Francis Journals, vol. 4(6), pages 677-684.
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    Cited by:
    1. Spiros Bougheas & Alan P. Kirman, 2014. "Complex Financial Networks and Systemic Risk: A Review," CESifo Working Paper Series 4756, CESifo Group Munich.

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