Volatility Transmission across Financial Markets: A Semiparametric Analysis

Theoplasti Kolaiti, Mwasi Mboya and Philipp Sibbertsen
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Theoplasti Kolaiti: Institute of Statistics, Faculty of Economics and Management, Leibniz University Hannover, D-30167 Hannover, Germany
Mwasi Mboya: Institute of Statistics, Faculty of Economics and Management, Leibniz University Hannover, D-30167 Hannover, Germany

JRFM, 2020, vol. 13, issue 8, 1-13

Abstract: This paper revisits the question whether volatilities of different markets and trading zones have a long-run equilibrium in the sense that they are fractionally cointegrated. We consider the U.S., Japanese and German stock, bond and foreign exchange markets to see whether there is fractional cointegration between the markets in one trading zone or for one market across trading zones. Also the other combinations of different markets in different trading zones are considered. Applying a purely semiparametric approach through the whole analysis shows fractional cointegration can only be found for a small minority of different cases. Investigating further we find that all volatility series show persistence breaks during the observation period which may be a reason for different findings in previous studies.

Keywords: high-frequency data; realized volatility; semiparametric estimation; fractional cointegration (search for similar items in EconPapers)
JEL-codes: C E F2 F3 G (search for similar items in EconPapers)
Date: 2020
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