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Zhang, Xin
Schwaab, Bernd
Lucas, Andre
Year of Publication: 
Series/Report no.: 
Tinbergen Institute Discussion Paper 11-176/2/DSF29
We propose a novel empirical framework to assess the likelihood of joint and conditional failure for Euro area sovereigns. Our model is based on a dynamic skewed-t copulawhich captures all the salient features of the data, including skewed and heavy-tailed changes in the price of CDS protection against sovereign default, as well as dynamicvolatilities and correlations to ensure that failure dependence can increase in times of stress. We apply the framework to Euro area sovereign CDS spreads from 2008 tomid-2011. Our results reveal significant time-variation in risk dependence and considerable spill-over effects in the likelihood of sovereign failures. We also investigatedistress dependence around a key policy announcement by Euro area heads of state on May 9, 2010, and demonstrate the importance of capturing higher-order time-varyingmoments during times of crisis for the correct assessment of interacting risks.
sovereign credit risk
higher order moments
time-varying parameters
financial stability
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Working Paper

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