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A sensitivities based CoVaR approach to assets commonality and its application to SSM banks

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  • Del Vecchio, Leonardo
  • Giglio, Carla
  • Shaw, Frances
  • Spanò, Guido
  • Cappelletti, Giuseppe

Abstract

One important source of systemic risk can arise from asset commonality among financial institutions. This indirect interconnection may occur when financial institutions invest in similar or correlated assets and is also described as overlapping portfolios. In this work, we propose a methodology to quantify systemic risk derived from asset commonality and we apply it to assess the degree of indirect interconnection of banks due to their financial holdings. Based on granular information of asset holdings of European significant banks, we compute the sensitivity based ∆ CoVaR which captures the potential sources of systemic risk originating from asset commonality. The novel indicator proves to be consistent with other indicators of systemic importance, yet it has a more transparent foundation in terms of the source of systemic risk, which can contribute to effective macroprudential supervision. JEL Classification: C58, E32, G01, G12, G18, G20, G32

Suggested Citation

  • Del Vecchio, Leonardo & Giglio, Carla & Shaw, Frances & Spanò, Guido & Cappelletti, Giuseppe, 2022. "A sensitivities based CoVaR approach to assets commonality and its application to SSM banks," Working Paper Series 2725, European Central Bank.
    • Handle: RePEc:ecb:ecbwps:20222725
    Note: 2772546
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    References listed on IDEAS

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    Cited by:

    1. Budnik, Katarzyna & Ponte Marques, Aurea & Giglio, Carla & Grassi, Alberto & Durrani, Agha & Figueres, Juan Manuel & Konietschke, Paul & Le Grand, Catherine & Metzler, Julian & Población García, Franc, 2024. "Advancements in stress-testing methodologies for financial stability applications," Occasional Paper Series 348, European Central Bank.
    2. Martijn Boermans, 2022. "A literature review of securities holdings statistics research and a practitioner’s guide," Working Papers 757, DNB.

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    More about this item

    Keywords

    CoVaR; Financial networks; Financial regulation; Overlapping portfolios; Systemic risk;
    All these keywords.

    JEL classification:

    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • G01 - Financial Economics - - General - - - Financial Crises
    • G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation
    • G20 - Financial Economics - - Financial Institutions and Services - - - General
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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