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Post-Mortem Examination of the International Financial Network

Author

Listed:
  • Matteo Chinazzi
  • Giorgio Fagiolo
  • Javier A. Reyes
  • Stefano Schiavo

Abstract

As the recent crisis has forcefully suggested, understanding financial-market interconnectedness is of a paramount importance to explain systemic risk, stability and economic dynamics. In this paper, we address these issues along two related perspectives. First, we explore the statistical properties of the International Financial Network (IFN), defined as the weighted-directed multigraph where nodes are world countries and links represent debtor-creditor relationships in equities and short/long-run debt. We investigate whether the 2008 financial crisis has resulted in a significant change in the topological properties of the IFN. Our findings suggest that the crisis caused not only a reduction in the amount of securities traded, but also induced changes in the topology of the network and in the time evolution of its statistical properties. This has happened, however, without changing the disassortative, core-periphery structure of the IFN architecture. Second, we perform an econometric study to examine the ability of network-based measures to explain cross-country differences in crisis intensity. We investigate whether the conclusion of previous studies showing that international connectedness is not a relevant predictor of crisis intensity may be reversed, once one explicitly accounts for the position of each country within the IFN. We show that higher interconnectedness reduces the severity of the crisis, as it allows adverse shocks to dissipate quicker. However, the systemic risk hypothesis cannot be completely dismissed and being central in the network, if the node is not a member of a rich club, puts the country in an adverse and risky position in times of crises. Finally, we find strong evidence of nonlinear effects, once the high degree of heterogeneity that characterizes the IFN is taken into account.

Suggested Citation

  • Matteo Chinazzi & Giorgio Fagiolo & Javier A. Reyes & Stefano Schiavo, 2012. "Post-Mortem Examination of the International Financial Network," LEM Papers Series 2012/04, Laboratory of Economics and Management (LEM), Sant'Anna School of Advanced Studies, Pisa, Italy.
  • Handle: RePEc:ssa:lemwps:2012/04
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    References listed on IDEAS

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    Cited by:

    1. Iván Arribas & Jesús Peiró-Palomino & Emili Tortosa-Ausina, 2015. "Is full banking integration desirable?," Working Papers 2015/05, Economics Department, Universitat Jaume I, Castellón (Spain).
    2. Cimini, Riccardo, 2015. "Eurozone network “Connectedness” after fiscal year 2008," Finance Research Letters, Elsevier, vol. 14(C), pages 160-166.
    3. Belén González Díaz & Leticia Blázquez, 2013. "International Automotive Production Networks: How the web comes together," Working Papers. Serie EC 2013-05, Instituto Valenciano de Investigaciones Económicas, S.A. (Ivie).
    4. Andreas Karpf & Antoine Mandel & Stefano Battiston, 2017. "Price and Network Dynamics in the European Carbon Market," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-01484117, HAL.
    5. Silva, Thiago Christiano & de Souza, Sergio Rubens Stancato & Tabak, Benjamin Miranda, 2016. "Network structure analysis of the Brazilian interbank market," Emerging Markets Review, Elsevier, vol. 26(C), pages 130-152.
    6. Léon, C. & Berndsen, R.J. & Renneboog, L.D.R., 2014. "Financial Stability and Interacting Networks of Financial Institutions and Market Infrastructures," Discussion Paper 2014-057, Tilburg University, Center for Economic Research.
    7. Franziska L Ohnsorge & Marcin Wolski & Yuanyan S Zhang, 2014. "Safe Havens, Feedback Loops, and Shock Propagation in Global Asset Prices," IMF Working Papers 14/81, International Monetary Fund.
    8. Zhang, Jin & Cui, Zhiwei & Zu, Lei, 2014. "The evolution of free trade networks," Journal of Economic Dynamics and Control, Elsevier, vol. 38(C), pages 72-86.
    9. Eliza-Olivia Lungu, 2013. "Connections between Frontier Markets," Romanian Economic Journal, Department of International Business and Economics from the Academy of Economic Studies Bucharest, vol. 16(48), pages 121-140, June.
    10. Silva, Thiago Christiano & Tabak, Benjamin Miranda & Guerra, Solange Maria, 2017. "Why do vulnerability cycles matter in financial networks?," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 471(C), pages 592-606.
    11. Leticia Blázquez & Belén González-Díaz, 2016. "International automotive production networks: how the web comes together," Journal of Economic Interaction and Coordination, Springer;Society for Economic Science with Heterogeneous Interacting Agents, vol. 11(1), pages 119-150, April.
    12. Leonidas Sandoval Junior, 2014. "Dynamics in two networks based on stocks of the US stock market," Papers 1408.1728, arXiv.org, revised Aug 2014.
    13. Berardi, Simone & Tedeschi, Gabriele, 2017. "From banks' strategies to financial (in)stability," International Review of Economics & Finance, Elsevier, vol. 47(C), pages 255-272.
    14. Stefania Vitali & Stefano Battiston, 2013. "The Community Structure of the Global Corporate Network," Papers 1301.2363, arXiv.org.
    15. Garratt, Rodney J. & Mahadeva, Lavan & Svirydzenka, Katsiaryna, 2014. "The great entanglement: The contagious capacity of the international banking network just before the 2008 crisis," Journal of Banking & Finance, Elsevier, vol. 49(C), pages 367-385.
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    20. Alessandro Schiavone, 2018. "Estimating the contagion effect through the portfolio channel using a network approach," Questioni di Economia e Finanza (Occasional Papers) 429, Bank of Italy, Economic Research and International Relations Area.
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    More about this item

    Keywords

    financial networks; crisis; early warning systems;

    JEL classification:

    • E65 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook - - - Studies of Particular Policy Episodes
    • F30 - International Economics - - International Finance - - - General
    • G01 - Financial Economics - - General - - - Financial Crises

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