Shareholding relationships and financial crisis: A network analysis

Nicolo' Pecora, Alessandro Spelta

Research output: Chapter in Book/Report/Conference proceedingChapter


One of the main lessons of the recent financial crisis is that the network structure of the banking system has to be taken into account to assess systemic risk. In this chapter, we analyze the topological properties of the network of the Euro Area banking sector with the primary aim of assessing the importance of a bank in the financial system with respect to ownership and control of other credit institutions. The network displays power law distributions in both binary and weighted degree metrics indicating a robust yet fragile structure and a direct nexus between an increase of control diversification and a rise in the market power. Therefore, while in good time the network is seemingly robust, in bad times many banks can go into distress simultaneously. This behavior opens a narrow for Central bank's actions. In particular, we investigate whether the Single Supervisory Mechanism introduced by the European Central Banks and based on banks' total asset is a good proxy to quantify their systemic importance. Results indicate that not all the financial institutions with high value of total asset are systemically important but only few of them.
Original languageEnglish
Title of host publicationMonetary Policy in the Context of the Financial Crisis: New Challenges and Lessons
EditorsFredj Jawadi William A. Barnett
Number of pages20
Publication statusPublished - 2015


  • European banking system
  • Power law
  • Shareholding network
  • Weighted graphs


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