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The dynamics of spillover effects during the European sovereign debt crisis

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  • Beyer, Andreas
  • Alter, Adrian

Abstract

In this paper we develop empirical measures for the strength of spillover effects. Modifying and extending the framework by Diebold and Yilmaz (2011), we quantify spillovers between sovereign credit markets and banks in the euro area. Spillovers are estimated recursively from a vector autoregressive model of daily CDS spread changes, with exogenous common factors. We account for interdependencies between sovereign and bank CDS spreads and we derive generalised impulse response functions. Specifically, we assess the systemic effect of an unexpected shock to the creditworthiness of a particular sovereign or country-specific bank index to other sovereign or bank CDSs between October 2009 and July 2012. Channels of transmission from or to sovereigns and banks are aggregated as a Contagion index (CI). This index is disentangled into four components, the average potential spillover: i) amongst sovereigns, ii) amongst banks, iii) from sovereigns to banks, and iv) vice-versa. We highlight the impact of policy-related events along the different components of the contagion index. The systemic contribution of each sovereign or banking group is quantified as the net spillover weight in the total net-spillover measure. Finally, the captured time-varying interdependence between banks and sovereigns emphasises the evolution of their strong nexus. JEL Classification: C58, G01, G18, G21

Suggested Citation

  • Beyer, Andreas & Alter, Adrian, 2013. "The dynamics of spillover effects during the European sovereign debt crisis," Working Paper Series 1558, European Central Bank.
  • Handle: RePEc:ecb:ecbwps:20131558
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    References listed on IDEAS

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    4. FrancisX. Diebold & Kamil Yilmaz, 2009. "Measuring Financial Asset Return and Volatility Spillovers, with Application to Global Equity Markets," Economic Journal, Royal Economic Society, vol. 119(534), pages 158-171, January.
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    Citations

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    Cited by:

    1. Rebekka Gätjen & Melanie Schienle, 2015. "Measuring Connectedness of Euro Area Sovereign Risk," SFB 649 Discussion Papers SFB649DP2015-019, Sonderforschungsbereich 649, Humboldt University, Berlin, Germany.
    2. Erce, Aitor, 2015. "Bank and sovereign risk feedback loops," Globalization and Monetary Policy Institute Working Paper 227, Federal Reserve Bank of Dallas.
    3. Irina Balteanu & Aitor Erce, 2017. "Linking Bank Crises and Sovereign Defaults: Evidence from Emerging Markets," Working Papers 22, European Stability Mechanism.
    4. Georgios Moratis & Plutarchos Sakellaris, 2017. "Measuring the systemic importance of banks," Working Papers 240, Bank of Greece.
    5. repec:eee:transa:v:106:y:2017:i:c:p:396-413 is not listed on IDEAS
    6. Balteanu, Irina & Erce, Aitor, 2014. "Bank crises and sovereign defaults in emerging markets: exploring the links," Globalization and Monetary Policy Institute Working Paper 184, Federal Reserve Bank of Dallas.
    7. Irina Balteanu & Aitor Erce, 2014. "Banking crises and sovereign defaults in emerging markets: exploring the links," Working Papers 1414, Banco de España;Working Papers Homepage.

    More about this item

    Keywords

    CDS; contagion; Impulse responses; sovereign debt; systemic risk;

    JEL classification:

    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics
    • G01 - Financial Economics - - General - - - Financial Crises
    • G18 - Financial Economics - - General Financial Markets - - - Government Policy and Regulation
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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