International portfolio diversification: Currency, industry and country effects revisited

E. Eiling, B. Gerard, P. Hillion, F.A. de Roon

Research output: Contribution to journalArticleScientificpeer-review

25 Citations (Scopus)

Abstract

We examine the relative importance of country, industry, world market and currency risk factors for international stock returns. Our approach focuses on testing the mean-variance efficiency of the various factor portfolios. An unconditional analysis does not show significant differences between country, industry and world portfolios, nor any role for currency risk factors. However, when we allow expected returns, volatilities and correlations to vary over time, we find that equity returns are mainly driven by global industry and currency risk factors. We propose a novel test to evaluate the relative benefits of alternative investment strategies and find that including currencies is critical to take full advantage of the diversification benefits afforded by international markets.
Original languageEnglish
Pages (from-to)1249-1278
JournalJournal of International Money and Finance
Volume31
Issue number5
DOIs
Publication statusPublished - 2012

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