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Temporal networks in the analysis of financial contagion

Author

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  • Franch, Fabio
  • Nocciola, Luca
  • Vouldis, Angelos

Abstract

This paper studies the dynamics of contagion across the banking, insurance and shadow banking sectors of 16 advanced economies in the period 2006-2018. We construct Granger causality-in-risk networks and introduce higher-order aggregate networks and temporal node centralities in an economic setting to capture non-Markovian network features. Our approach uncovers the dynamics of financial contagion as it is transmitted across segments of the financial system and jurisdictions. Temporal centralities identify countries in distress as the nodes through which contagion propagates. Moreover, the banking system emerge as the primary source and transmitter of stress while banks and shadow banks are highly interconnected. The insurance sector is found to contribute less to stress transmission in all periods, except during the global financial crisis. Our approach, as opposed to one that uses memoryless measures of network centrality, is able to identify more clearly the nodes that are critical for the transmission of financial contagion. JEL Classification: C02, C22, G01, G2

Suggested Citation

  • Franch, Fabio & Nocciola, Luca & Vouldis, Angelos, 2022. "Temporal networks in the analysis of financial contagion," Working Paper Series 2667, European Central Bank.
  • Handle: RePEc:ecb:ecbwps:20222667
    Note: 2600378
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    2. Marina Yu. Malkina & Dmitry Yu. Rogachev, 2024. "Financial Contagion of the Russian Stock Market from the European Stock Market During the COVID-19 Pandemic," Finansovyj žhurnal — Financial Journal, Financial Research Institute, Moscow 125375, Russia, issue 2, pages 27-42, April.

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    More about this item

    Keywords

    financial networks; GARCH; Granger causality-in-tail; non-Markovian; systemic risk;
    All these keywords.

    JEL classification:

    • C02 - Mathematical and Quantitative Methods - - General - - - Mathematical Economics
    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • G01 - Financial Economics - - General - - - Financial Crises
    • G2 - Financial Economics - - Financial Institutions and Services

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