A note on the stability of relationships between returns from emerging stock markets
Several of the larger emerging stock markets are focused upon. It is demonstrated that the intertemporal covariances between returns of different emerging markets may be insufficiently stable to permit the exploitation of the theoretical gains available from international diversification based upon ex post information. However, it is also suggested that, by using a simple strategy for forecasting covariance matrices, it is possible for many of the gains which appear to be available in ex post studies also to be achieved on an ex ante basis.
Volume (Year): 7 (1997)
Issue (Month): 3 ()
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