TRENCA, Ioan; DEZSI, Eva - In: Finante - provocarile viitorului (Finance - Challenges … 1 (2010) 12, pp. 44-53
The financial theory predicts that gains can be achieved through international portfolio diversification, if the different markets are not correlated. As we can see the level of interaction or independence between markets has an important impact of the investments, in means of risk and return....