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Muhammad A. Muhammad [email protected]
Rafiaa Ibrahim AL-Hamdani [email protected]


Abstract

The research aims to adopt the concept of international diversification in building the optimal international investment portfolio using the cut-off model. To achieve this, the study sample was selected from a set of indicators of international financial markets during the period from (2017-2020).
In order to address the problem of the study and test its hypotheses, it was relied on financial and statistical analysis, using a set of descriptive statistical tools such as arithmetic mean, standard deviation, covariance, and a correlation coefficient. The applications have been applied during this research was Excel and Evews 12, according to the monthly closing price data of the selected stock indices,
The research found that the process of international diversification contributes to build the investment portfolio. That its success depends on the scientific methods used by the investor to choose the optimal index or stocks in the investment portfolio. In addition the correlation between the returns of the market indices in the research sample is weak and this is due to the lack of similarity in the assets traded within the countries’ markets. The research sample has a positive effect on the process of forming the optimal international portfolios using the cut-off limit.
Thus, investors should pay attention to international diversification processes when forming their investment portfolios and not resort to random diversification, whose effects may be reflected in not ensuring the achievement of the portfolio’s advantages from investing at the least possible risk. Investors must be aware that the single index, two types of beta (β). The local beta is used if its investment is for the index or the stock within the local portfolio. While the international beta, is used when the forming of portfolio is international.

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How to Cite
Muhammad, M. A., & AL-Hamdani, R. I. (2022). The role of international diversification in building the optimal investment portfolio using the cut-off model Analytical Study in a number of international markets. Tikrit Journal of Administrative and Economic Sciences, 18(59, 2), 309–326. https://doi.org/10.25130/tjaes.18.59.2.19
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