The Stability of the Covariances of International Property Share Returns
This paper looks at the covariance structure of international property share returns. Portfolio models, which are used to generate efficient international asset allocations, require estimates of a covariance structure of asset returns as input. Usually, the realized structure is used as a proxy, but that is only valid if this structure is stable. We test for this stability. We find covariances of international property share returns to be unstable, while correlations are stable between some time-periods, and unstable between others. The results cast some doubts on the use of standard portfolio models for the allocation of international real estate portfolios.
Volume (Year): 11 (1996)
Issue (Month): 2 ()
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- Joseph Gyourko & Donald B. Keim, 1992. "What Does the Stock Market Tell Us About Real Estate Returns?," Real Estate Economics, American Real Estate and Urban Economics Association, vol. 20(3), pages 457-485.
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"Tests of International CAPM with Time-Varying Covariances,"
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- Charles Engel & Anthony P. Rodrigues, 1987. "Tests of International CAPM with Time-Varying Covariances," NBER Working Papers 2303, National Bureau of Economic Research, Inc.
- Joseph Gyourko & Donald B. Keim, . "What Does the Stock Market Tell Us About Real Estate Returns? (Revision of 18-91) (Reprint 030)," Rodney L. White Center for Financial Research Working Papers 11-92, Wharton School Rodney L. White Center for Financial Research.
- Glenn R. Mueller, 1993. "Refining Economic Diversification Strategies for Real Estate Portfolios," Journal of Real Estate Research, American Real Estate Society, vol. 8(1), pages 55-68.
- Levy, Haim & Sarnat, Marshall, 1970. "International Diversification of Investment Portfolios," American Economic Review, American Economic Association, vol. 60(4), pages 668-75, September.
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