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The interbank network across the global financial crisis: evidence from Italy

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  • Massimiliano Affinito

    () (Bank of Italy)

  • Alberto Franco Pozzolo

    () (Università degli Studi del Molise)

Abstract

This study examines the effects of the global financial crisis (GFC) on interbank market connectivity using network analysis. More specifically, using data on Italian banks’ bilateral interbank positions between 1998 and 2013, we analyze the impact of the following events on each bank’s network centrality: the liquidity crisis in August 2007, the collapse of Lehman Brothers in September 2008, Eurosystem’s long term refinancing operations (LTROs) between 2009 and 2012, the sovereign debt crisis in July 2011, and the announcement of Outright Monetary Transactions (OMT) in 2012. The results show that the 2007 liquidity crisis and especially the collapse of Lehman Brothers are associated with a marked reduction of the relative interconnectedness of the Italian banking sector (i.e., a shift in the distribution of banks’ centrality to the left, away from the most connected bank). In the following years, the system progressively recovered its initial patterns of integration among banks, which coincided wih the main Eurosystem’s monetary policy interventions. However, the average outcome conceals different results across banks, depending on their characteristics and initial positions within the system.

Suggested Citation

  • Massimiliano Affinito & Alberto Franco Pozzolo, 2017. "The interbank network across the global financial crisis: evidence from Italy," Temi di discussione (Economic working papers) 1118, Bank of Italy, Economic Research and International Relations Area.
  • Handle: RePEc:bdi:wptemi:td_1118_17
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    Cited by:

    1. Massimiliano Affinito, 2019. "What do almost 20 years of micro data and two crises say about the relationship between central bank and interbank market liquidity? Evidence from Italy," Temi di discussione (Economic working papers) 1238, Bank of Italy, Economic Research and International Relations Area.
    2. Massimiliano Affinito & Matteo Piazza, 2018. "Always look on the bright side? Central counterparties and interbank markets during the financial crisis," Temi di discussione (Economic working papers) 1181, Bank of Italy, Economic Research and International Relations Area.
    3. Elisa Letizia & Fabrizio Lillo, 2017. "Corporate payments networks and credit risk rating," Papers 1711.07677, arXiv.org, revised Sep 2018.
    4. Pihu Feng & Duoyong Sun & Zaiwu Gong, 2019. "A Case Study of Pyramid Scheme Finance Flow Network Based on Social Network Analysis," Sustainability, MDPI, Open Access Journal, vol. 11(16), pages 1-12, August.
    5. Anastasios Demertzidis, 2019. "Interbank transactions on the intraday frequency: -Different market states and the effects of the financial crisis-," MAGKS Papers on Economics 201932, Philipps-Universität Marburg, Faculty of Business Administration and Economics, Department of Economics (Volkswirtschaftliche Abteilung).
    6. Wang, Shengquan & Chen, Langnan & Xiong, Xiong, 2019. "Asset bubbles, banking stability and economic growth," Economic Modelling, Elsevier, vol. 78(C), pages 108-117.

    More about this item

    Keywords

    global financial crisis; interbank markets; networks; central bank operations;

    JEL classification:

    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • E58 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Central Banks and Their Policies
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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