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Systemic risk in European sovereign debt markets: A CoVaR-copula approach

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  • Reboredo, Juan C.
  • Ugolini, Andrea

Abstract

We studied systemic risk in European sovereign debt markets before and after the onset of the Greek debt crisis, taking the conditional value-at-risk (CoVaR) as a systemic risk measure, characterized and computed using copulas. We found that, before the debt crisis, sovereign debt markets were all coupled and systemic risk was similar for all countries. However, with the onset of the Greek crisis, debt markets decoupled and the systemic risk of the countries in crisis (excepting Spain) for the European debt market as a whole decreased, whereas that of the non-crisis countries increased to a small degree. The systemic risk of the Greek debt market for other countries in difficulties increased, especially for Portugal where systemic risk tripled after the onset of the crisis, whereas the systemic impact on the non-crisis countries decreased.

Suggested Citation

  • Reboredo, Juan C. & Ugolini, Andrea, 2015. "Systemic risk in European sovereign debt markets: A CoVaR-copula approach," Journal of International Money and Finance, Elsevier, vol. 51(C), pages 214-244.
  • Handle: RePEc:eee:jimfin:v:51:y:2015:i:c:p:214-244
    DOI: 10.1016/j.jimonfin.2014.12.002
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    References listed on IDEAS

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    Keywords

    Value at risk; Conditional value at risk; Systemic risk; Copulas; Eurozone debt crisis;

    JEL classification:

    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics
    • G01 - Financial Economics - - General - - - Financial Crises
    • G23 - Financial Economics - - Financial Institutions and Services - - - Non-bank Financial Institutions; Financial Instruments; Institutional Investors
    • 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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