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A network analysis of global banking: 1978–2009

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  • Mr. Javier A. Reyes
  • Ms. Camelia Minoiu

Abstract

In this paper we explore the properties of the global banking network using cross-border bank lending data for 184 countries over 1978-2009. Specifically, we analyze financial interconnectedness using network metrics of centrality, connectivity, and clustering. We document a relatively unstable global banking network, with structural breaks in network indicators identifying several waves of capital flows. Interconnectedness rankings, especially for borrowers, are relatively volatile over the period. Connectivity tends to fall during and after systemic banking crises and sovereign debt crises. The 2008-09 global financial crisis stands out as an unusually large perturbation to the cross-border banking network.

Suggested Citation

  • Mr. Javier A. Reyes & Ms. Camelia Minoiu, 2011. "A network analysis of global banking: 1978–2009," IMF Working Papers 2011/074, International Monetary Fund.
    • Handle: RePEc:imf:imfwpa:2011/074
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    References listed on IDEAS

    as
    1. Mr. Jorge A Chan-Lau, 2010. "Balance Sheet Network Analysis of Too-Connected-to-Fail Risk in Global and Domestic Banking Systems," IMF Working Papers 2010/107, International Monetary Fund.
    2. Marco A. Espinosa‐Vega & Juan Solé, 2011. "Cross‐border financial surveillance: a network perspective," Journal of Financial Economic Policy, Emerald Group Publishing Limited, vol. 3(3), pages 182-205, August.
    3. Martínez-Jaramillo, Serafín & Pérez, Omar Pérez & Embriz, Fernando Avila & Dey, Fabrizio López Gallo, 2010. "Systemic risk, financial contagion and financial fragility," Journal of Economic Dynamics and Control, Elsevier, vol. 34(11), pages 2358-2374, November.
    4. Gian-Maria Milesi-Ferretti & Cédric Tille, 2011. "The great retrenchment: international capital flows during the global financial crisis [‘The great trade collapse: what caused it and what does it mean?’]," Economic Policy, CEPR, CESifo, Sciences Po;CES;MSH, vol. 26(66), pages 289-346.
    5. Van Rijckeghem, Caroline & Weder, Beatrice, 2001. "Sources of contagion: is it finance or trade?," Journal of International Economics, Elsevier, vol. 54(2), pages 293-308, August.
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