أثر سياسة التنويع الاستثماري على خصائص المحفظة المالية -دراسة قياسية لحالة بعض البورصات العربية-

الملخص EN

This research aims at knowing and studying the possibility of applying modern theories in the field of securities portfolio management, by attempting to clarify the contribution of the theory of investment diversification in the risk of exposure to financial assets involved in the composition of the portfolio at a certain level of returns and the possibility of achieving an optimal portfolio for the investor.

Using the mathematical and statistical methods, the study was applied to the indicators of Arab stock exchanges (Kuwait, Oman, Saudi Arabia, Muscat, Damascus and Abu Dhabi) during the period 2011-2015.

We concluded that international diversification achieves a better relationship between portfolio return and risk when the correlation between the Arab markets is negative in addition to extracting an optimal portfolio according to the investor's preferences.