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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including those from the School of Psychological Sciences & Health - but also papers by researchers based within the Faculties of Science, Engineering, Humanities & Social Sciences, and from the Strathclyde Business School.

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Equity home-bias : a suboptimal choice for UK investors?

Antoniou, Antonios and Olusi, Olasupo and Paudyal, Krishna (2010) Equity home-bias : a suboptimal choice for UK investors? European Financial Management, 16 (3). pp. 449-479. ISSN 1354-7798

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Abstract

In spite of the popularity of international portfolio diversification theory, extant empirical literature shows that investors prefer domestic assets and as a result, many studies argue that investors’ portfolios are largely suboptimal. This paper examines whether British investors need to diversify their portfolios internationally to gain performance benefits from international markets or can they obtain these benefits by mimicking the portfolios with domestically traded assets. The results confirm that it is possible to mimic the performance of foreign equity with domestic equity. Indeed, the pay-offs from homemade portfolios outperform those from international portfolios regardless of the periodic variation in the overall performance of the UK market vis-`a-vis foreign markets. The superiority of homemade portfolio is more prominent in recent years and is enhanced by the increased internationalisation of developed capital markets. Therefore, investors’ home bias is not suboptimal.