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The effect of the interbank network structure on contagion and common shocks

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  • Georg, Co-Pierre

Abstract

This paper proposes a dynamic multi-agent model of a banking system with central bank. Banks optimize a portfolio of risky investments and riskless excess reserves according to their risk, return, and liquidity preferences. They are linked via interbank loans and face stochastic deposit supply. Evidence is provided that the central bank stabilizes interbank markets in the short-run only. Comparing different interbank network structures, it is shown that money-center networks are more stable than random networks. Systemic risk via contagion is compared to common shocks and it is shown that both forms of systemic risk require different optimal policy responses. --

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Bibliographic Info

Paper provided by Deutsche Bundesbank, Research Centre in its series Discussion Paper Series 2: Banking and Financial Studies with number 2011,12.

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Date of creation: 2011
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Handle: RePEc:zbw:bubdp2:201112

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Keywords: systemic risk; contagion; common shocks; multi-agent simulations;

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References

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  1. Viral Acharya & Tanju Yorulmazer, 2007. "Cash-in-the-market pricing and optimal resolution of bank failures," Bank of England working papers 328, Bank of England.
  2. Nier, Erlend & Yang, Jing & Yorulmazer, Tanju & Alentorn, Amadeo, 2007. "Network models and financial stability," Journal of Economic Dynamics and Control, Elsevier, vol. 31(6), pages 2033-2060, June.
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Citations

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Cited by:
  1. Toivanen, Mervi, 2013. "Contagion in the interbank network: An epidemiological approach," Research Discussion Papers 19/2013, Bank of Finland.
  2. Grzegorz Hałaj & Christoffer Kok, 2013. "Assessing interbank contagion using simulated networks," Computational Management Science, Springer, vol. 10(2), pages 157-186, June.
  3. Fischer, Thomas & Riedler, Jesper, 2013. "Prices, debt and market structure in an agent-based model of the financial market," ZEW Discussion Papers 12-045 [rev.], ZEW - Zentrum für Europäische Wirtschaftsforschung / Center for European Economic Research.
  4. Lara Mónica Machado Fernandes, & Maria Rosa Borges, 2013. "Interbank Linkages and Contagion Risk in the Portuguese Banking System," Working Papers Department of Economics 2013/23, ISEG - School of Economics and Management, Department of Economics, University of Lisbon.
  5. Fabio Caccioli & J. Doyne Farmer & Nick Foti & Daniel Rockmore, 2013. "How interbank lending amplifies overlapping portfolio contagion: A case study of the Austrian banking network," Papers 1306.3704, arXiv.org.
  6. Neuberger, Doris & Rissi, Roger, 2012. "Macroprudential banking regulation: Does one size fit all?," Thuenen-Series of Applied Economic Theory 124, University of Rostock, Institute of Economics.
  7. Pinar Yesin, 2013. "Foreign currency loans and systemic risk in Europe," Review, Federal Reserve Bank of St. Louis, issue May, pages 219-236.
  8. Rodrigo César de Castro Miranda & Benjamin Miranda Tabak, 2013. "Contagion Risk within Firm-Bank Bivariate Networks," Working Papers Series 322, Central Bank of Brazil, Research Department.
  9. Lena Tonzer, 2013. "Cross-Border Interbank Networks, Banking Risk and Contagion," FIW Working Paper series 129, FIW.
  10. Neuberger, Doris & Rissi, Roger, 2012. "Macroprudential banking regulation: Does one size fit all?," Thuenen-Series of Applied Economic Theory 124, University of Rostock, Institute of Economics.
  11. Peltonen, Tuomas A. & Scheicher, Martin & Vuillemey, Guillaume, 2013. "The network structure of the CDS market and its determinants," Working Paper Series 1583, European Central Bank.
  12. Minoiu, Camelia & Reyes, Javier A., 2013. "A network analysis of global banking: 1978–2010," Journal of Financial Stability, Elsevier, vol. 9(2), pages 168-184.
  13. H Peyton Young & Paul Glasserman, 2013. "How Likely is Contagion in Financial Networks?," Economics Series Working Papers 642, University of Oxford, Department of Economics.
  14. Christoffer Kok & Mattia Montagna, 2013. "Multi-layered Interbank Model for Assessing Systemic Risk," Kiel Working Papers 1873, Kiel Institute for the World Economy.

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