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Measuring the Significance of Diversification Gains

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Abstract

This article investigates whether investing in alternative investment media provides statistically significant increases in portfolio performance. Employing methodology introduced by Kandel and Stambaugh (1987) and Gibbons, Ross and Shanken (1989), we measure the statistical significance of diversification gains for portfolios containing real and financial domestic assets, as well as international debt and equity issues. The NCREIF real estate series is further examined using the Geltner (1993) adjustment to the risk measure. In the 1978B93 sample period, neither international assets nor unadjusted real estate ever result in statistically significant increases in portfolio performance. When the Geltner adjustment is made, the allocation to real estate is substantially reduced in the expanded portfolio and also fails to result in a statistically significant increase in portfolio performance. These results may help to resolve the paradox between current portfolio allocations to real estate in practice and those suggested in the literature.

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  • Jack H. Rubens & David A. Louton & Elizabeth J. Yobaccio, 1998. "Measuring the Significance of Diversification Gains," Journal of Real Estate Research, American Real Estate Society, vol. 16(1), pages 73-86.
    • Handle: RePEc:jre:issued:v:16:n:1:1998:p:73-86
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    Cited by:

    1. Kroencke, Tim A. & Schindler, Felix, 2012. "International diversification with securitized real estate and the veiling glare from currency risk," Journal of International Money and Finance, Elsevier, vol. 31(7), pages 1851-1866.
    2. Helen Higgs & Andrew C. Worthington, 2002. "The Prospects for Geographic Diversification in UK Regional Property Investment: Implications Derived from Multivariate Cointegration Analysis," School of Economics and Finance Discussion Papers and Working Papers Series 111, School of Economics and Finance, Queensland University of Technology.
    3. Neal Maroney & Atsuyuki Naka, 2006. "Diversification Benefits of Japanese Real Estate Over the Last Four Decades," The Journal of Real Estate Finance and Economics, Springer, vol. 33(3), pages 259-274, November.
    4. B. Michael Gilroy & Heike Schreckenberg & Volker Seiler, 2013. "Water as an Asset Class (Revised Version)," Working Papers CIE 55, Paderborn University, CIE Center for International Economics.

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    • L85 - Industrial Organization - - Industry Studies: Services - - - Real Estate Services

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