Brexit and Uncertainty in Financial Markets

Guglielmo Maria Caporale, Luis Gil-Alana and Tommaso Trani

No 6874, CESifo Working Paper Series from CESifo

Abstract: This paper applies long-memory techniques (both parametric and semi-parametric) to examine whether Brexit has led to any significant changes in the degree of persistence of the FTSE 100 Implied Volatility Index (IVI) and of the British pound’s implied volatilities (IVs) vis-à-vis the main currencies traded in the FOREX, namely the euro, the US dollar and the Japanese yen. We split the sample to compare the stochastic properties of the series under investigation before and after the Brexit referendum, and find an increase in the degree of persistence in all cases except for the British pound-yen IV, whose persistence has declined after Brexit. These findings highlight the importance of completing swiftly the negotiations with the EU to achieve an appropriate Brexit deal.

Keywords: Brexit; uncertainty; IVI index; British pound’s implied volatilities; financial markets (search for similar items in EconPapers)
JEL-codes: C22 F30 (search for similar items in EconPapers)
Date: 2018
New Economics Papers: this item is included in nep-fmk and nep-ore
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (11)

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Related works:
Journal Article: Brexit and Uncertainty in Financial Markets (2018)
Working Paper: Brexit and Uncertainty in Financial Markets (2018)
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Persistent link: https://EconPapers.repec.org/RePEc:ces:ceswps:_6874

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