Causality-in-variance and causality-in-mean between the Greek sovereign bond yields and Southern European banking sector equity returns

Go Tamakoshi and Shigeyuki Hamori

Journal of Economics and Finance, 2014, vol. 38, issue 4, 627-642

Abstract: This paper adopts the robust cross-correlation function methodology developed by Hong (J Econom 103:183–224, 2001 ) in order to test for volatility and mean spillovers between Greek long-term government bond yields and the banking sector stock returns of four Southern European countries, namely Greece, Portugal, Italy, and Spain. Its primary focus is on investigating the potential impacts of the recent European sovereign debt crisis. While most previous studies have focused on within-country causalities, we rather assess cross-country transmission effects. The presented results provide evidence of bidirectional volatility spillovers between Greek long-term interest rates and the banking sector equities of Portugal, Italy, and Spain that emerged during the European sovereign debt crisis. We also find significant unidirectional causality-in-mean from bank stock returns in Greece to Greek long-term bond yields during the crisis period as well as significant causality at the mean level from the bank equity returns in Portugal, Italy, and Spain to Greek bond yields. Copyright Springer Science+Business Media, LLC 2014

Keywords: Bank Stock Returns; Bond Yields; Causality-In-Variance Test; International Volatility Spillover; Greek Sovereign Debt Crisis; G14; G15; G20 (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (12)

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DOI: 10.1007/s12197-012-9242-y

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