Emerging markets and portfolio foreign exchange risk: An empirical investigation using a value-at-risk decomposition technique
John Garvey and
Liam Gallagher ()
Journal of International Money and Finance, 2011, vol. 30, issue 8, 1749-1772
The correlation between a portfolio's equity and foreign exchange components plays a role in reducing foreign exchange exposure. Investors must account for this correlation when determining the extent of foreign exchange risk in emerging market equity portfolio investments. This study employs a VaR risk factor mapping technique, under the variance–covariance VaR approach, to decompose portfolio risk in Argentina, Brazil, China, India, Mexico and Russia. For comparison purposes, the same technique is used to decompose portfolio risk in the US. The study is conducted from the perspective of a European equity investor with a portfolio of equities in each country. By employing the VaR decomposition technique, the correlation between a portfolio's equity and foreign exchange components is taken into account and portfolio foreign exchange risk is extracted from portfolio systematic risk. Our results uniquely demonstrate significant variation in foreign exchange risk in emerging markets.
Keywords: Emerging markets; Foreign exchange risk; Risk factor mapping; Value-at-risk; Variance-covariance approach (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jimfin:v:30:y:2011:i:8:p:1749-1772
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