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AROURI Mohamed El Hedi
''FInancial Integration and Interenational Portfolio Diversification : A Multivariate Analysis''
( 2003, Vol. 28 No.4 )
In this article, we extend the conditional ICAPM of De Santis and Gérard (1997,1998) using an asymmetric multivariate GARCH specification. This approach, with double asymmetric effects, allows to the risk premia, betas and correlations to vary through time. Then, we investigate ex ante benefits from world market diversification. The evidence supports the financial integration hypothesis and suggests that investors from all countries could expect statistically significant benefits from international diversification but that gains are considerable larger for investors with smaller home markets.
Manuscript Received : Oct 23 2003 Manuscript Accepted : Oct 23 2003

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