Time-varying international stock market interaction and the identification of volatility signals

Till Strohsal and Enzo Weber

Journal of Banking & Finance, 2015, vol. 56, issue C, 28-36

Abstract: This paper investigates the dependency of international stock market interaction on financial volatility. We show in a stylized economic model that volatility-dependent cross-market spillovers can be interpreted in two different ways, as indicating information flow or uncertainty. If higher volatility in one market leads to higher (lower) reactions in another market, volatility reflects information (uncertainty). We apply a simultaneous time-varying coefficient model, where structural ARCH-type variances serve two purposes: governing the time variation of spillovers and ensuring statistical identification. We analyze data of US and further stock markets. Indeed, we find strong nonlinear, volatility-dependent spillovers.

Keywords: Information; Uncertainty; Spillover; Simultaneous equations; Identification (search for similar items in EconPapers)
JEL-codes: C32 G15 (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jbfina:v:56:y:2015:i:c:p:28-36

DOI: 10.1016/j.jbankfin.2015.01.020

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