期刊
JOURNAL OF BANKING & FINANCE
卷 41, 期 -, 页码 109-118出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jbankfin.2014.01.003
关键词
Testing uncovered interest parity; Fractional integration; Changing persistence
This study tests for a break in the persistence of EMU government bond yield spreads examining data from France, Italy and Spain and using German interest rates as a kind of benchmark. The results reported here provide evidence for breaks between 2006 and 2008. The persistence of the yield spreads against German government bonds has increased significantly after this period. This could be a sign of higher sovereign credit risk (and possibly even redenomination risk) caused by the debt crisis in the euro area. We find clear indications for non-stationary behavior after the breakpoints and empirical evidence for positive excess kurtosis and GARCH-effects when persistence increases. (C) 2014 Elsevier B.V. All rights reserved.
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