Determining of stock investments with grey relational analysis |
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| Authors: | Co?kun Hamzaçebi Mehmet Pekkaya |
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| Affiliation: | 1. School of Marine Science and Technology, Northwestern Polytechnical University, Xi''an 710072, P.R. China;2. Flight Technology College, Civil Aviation Flight University of China, Guanghan 618307, Sichuan, P.R. China;1. Production Engineering Department, University of São Paulo, São Paulo, SP, Brazil;2. Production Engineering Department, Federal University of Triangulo Mineiro, Uberaba, MG, Brazil;3. Production Engineering Department, Federal University of Technology Paraná, Londrina, PR, Brazil |
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| Abstract: | Selecting stock is important problem for investors. Investors can use related financial ratios in stock selection. These kind of worthy financial ratios can be obtained from financial statements. The investors can use these ratios as criteria while they are selecting the stocks. Since dealing with more than one financial ratio, the investing issue becomes multi-criteria decision making (MCDM) problem for the investors. There are various techniques for solving MCDM problems in literature. In this study grey relational analysis (GRA) is used for ordering some financial firms’ stocks which are in Financial Sector Index of Istanbul Stock Exchange (ISE). Besides, because of the importance of criteria weights in decision making, three different approaches – heuristic, Analytic Hierarchy Process, learning via sample – were experimented to find best values of criteria weights in GRA process. |
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