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

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  • Montagna, Mattia
  • Lux, Thomas

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.

Suggested Citation

  • Montagna, Mattia & Lux, Thomas, 2013. "Hubs and resilience: Towards more realistic models of the interbank markets," Kiel Working Papers 1826, Kiel Institute for the World Economy (IfW Kiel).
    • Handle: RePEc:zbw:ifwkwp:1826
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    References listed on IDEAS

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    Cited by:

    1. 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, vol. 10(2), pages 187-211, June.
    2. Yichen Zhou & Honggang Li, 2019. "Asset diversification and systemic risk in the financial system," Journal of Economic Interaction and Coordination, Springer;Society for Economic Science with Heterogeneous Interacting Agents, vol. 14(2), pages 247-272, June.
    3. Kuzubaş, Tolga Umut & Saltoğlu, Burak & Sever, Can, 2016. "Systemic risk and heterogeneous leverage in banking networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 462(C), pages 358-375.
    4. Giulio Bottazzi & Alessandro De Sanctis & Fabio Vanni, 2016. "Non-performing loans, systemic risk and resilience in financial networks," LEM Papers Series 2016/08, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
    5. Spiros Bougheas & Alan Kirman, 2015. "Complex Financial Networks and Systemic Risk: A Review," Dynamic Modeling and Econometrics in Economics and Finance, in: Pasquale Commendatore & Saime Kayam & Ingrid Kubin (ed.), Complexity and Geographical Economics, edition 127, pages 115-139, Springer.
    6. Montagna, Mattia & Lux, Thomas, 2014. "Contagion Risk in the Interbank Market: A Probabilistic Approach to Cope with Incomplete Structural Information," FinMaP-Working Papers 8, Collaborative EU Project FinMaP - Financial Distortions and Macroeconomic Performance: Expectations, Constraints and Interaction of Agents.
    7. Sam Langfield & Kimmo Soramäki, 2016. "Interbank Exposure Networks," Computational Economics, Springer;Society for Computational Economics, vol. 47(1), pages 3-17, January.
    8. Lux, Thomas, 2014. "A model of the topology of the bank-firm credit network and its role as channel of contagion," Kiel Working Papers 1950, Kiel Institute for the World Economy (IfW Kiel).
    9. Lux, Thomas, 2014. "A Model of the Topology of the Bank-Firm Credit Network and Its Role as Channel of Contagion," FinMaP-Working Papers 19, Collaborative EU Project FinMaP - Financial Distortions and Macroeconomic Performance: Expectations, Constraints and Interaction of Agents.
    10. Montagna, Mattia & Lux, Thomas, 2014. "Contagion risk in the interbank market: A probabilistic approach to cope with incomplete structural information," Kiel Working Papers 1937, Kiel Institute for the World Economy (IfW Kiel).
    11. Sever, Can, 2014. "Systemic Liquidity Crisis with Dynamic Haircuts," MPRA Paper 55602, University Library of Munich, Germany.
    12. Aki-Hiro Sato & Paolo Tasca & Takashi Isogai, 2015. "Dynamic Interaction Between Asset Prices and Bank Behavior: A Systemic Risk Perspective," Papers 1504.07152, arXiv.org, revised Feb 2017.
    13. Matteo Chinazzi & Stefano Pegoraro & Giorgio Fagiolo, 2015. "Defuse the Bomb: Rewiring Interbank Networks," LEM Papers Series 2015/16, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
    14. Aki-Hiro Sato & Paolo Tasca & Takashi Isogai, 2019. "Dynamic Interaction Between Asset Prices and Bank Behavior: A Systemic Risk Perspective," Computational Economics, Springer;Society for Computational Economics, vol. 54(4), pages 1505-1537, December.

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    More about this item

    Keywords

    interbank market; contagion; networks; financial stability;
    All these keywords.

    JEL classification:

    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • G01 - Financial Economics - - General - - - Financial Crises
    • E42 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Monetary Sytsems; Standards; Regimes; Government and the Monetary System

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