An Assessment of Foreign Portfolio Investment in Hierarchical Model based on Topsis Algorithm

Portfolio or Stock Investment is one of the most important investment methods especially in foreign market. In regulation of Organization for Investment Economic and Technical Assistance of Iran, stock investment is classified in 5 different sections including “Stocks of Corporation”, “Bonds”, “Fellow of Banking Capital”, “Trading Securities”, and “Governmental Treasury Bills”. Gathering the data by means of a questionnaire distributed among the target population including managers and experts of the Organization for Investment Economic and Technical Assistance of Iran, we investigate on stock investment methods in foreign market in hierarchical model based on Topsis algouritm. Due to the answers gathered from the questionnaire, we identified 8 factors effective on portfolio investment to be used in topsis algorithm. These effective factors was entered to a decision making matrix, using in ranking portfolio investment styles based on ideal solutions technique. Results showed that the corporation stocks is the first and the top priority for international portfolio investors.