THE FACTORS AFFECTING THE DECISION OF PORTFOLIO MANAGERS ININVESTING COMMON STOCKS: AN APPLICATION IN TURKEY

The high volatility of Capital market instruments in Turkey combined with the unpredictable nature of economy and dynamic political situation makes investment decision a complex and challenging task. Under these circumstances the role of portfolio managers gains importance. The portfolio managers who possess superior market knowledge, who have extensive experience and in-dept analysis and strong forecasting ability are able to make successful investment decisions. As an investment alternative, common stocks are a popular form of investing used by portfolio managers. They are popular, in part, because they offer investors the opportunity to tailor their investment programs to meet individual needs and preferences. With the growing importance in the role of equities to investors, the selection of attractive stocks is utmost importance to ensure a good return. This paper is conducted to determine the major criteria and their relative weights taken into consideration by portfolio managers when investing in common stocks in İstanbul Stock Exchange (İSE).

Anahtar Kelimeler:

Stock Selection, Analytic Hierarchy Process, Multiple Criteria Decision Making, Stock Exchange.

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[1] Gitman, L.J. & Johenk, M.D. (2001). Fundamentals of investing. Boston: Addison Wesley.
[2] Markovvitz, H. (1952). Portfolio Selection. Journal of Finance, 7(1), 77-91.
[3] Sprenza, M.G. (1996). A Heuristic Algorithm for Portfolio Optimization Model Applied to Milan Stock Market. Computers&Operations Research, 23, 433-441.
[4] Dias, F. Çuadratic Programming Applied to Modern Portfolio Selection. (http://www.linux.ime.usp.br/~cef/mac499-01 /monografi as/fdias-rec/QP.pdf). [11.03.2008],
[5] Akay, D.; Çetinyokuş, T. & Dağdeviren, M. (2002). Portföy Seçimi Problemi için KDS/GA Yaklaşımı-A DSS/GA for Portfolio Selection Problem. Gazi Üniversitesi Mühendislik ve Mimarlık Fakültesi Dergisi, 17(4), 125-138.
[6] Ulucan, A. (2002). Markowitz Kuadratik Programlama ile Portföy Seçim Modelinin, Sermaye Piyasasında Endeks ile Aynı Risk-Getiri Yapısına Sahip Portföyün Elde Edilmesinde Kullanım- An Application of the Markowitz Quadratic Programming Portfolio Selection Model: Determination of the Portfolio which has the same Risk- Retum Structure with the Ise-30 indice. Hacettepe University Journal of Economics and Administrative Sciences, 20(2), 141-155.
[7] Atan, M. (2005). Karesel Programlama ile Portföy Optimizasyonu- Portfolio Optimization with Quadratic Programming. Proceediııgs of the 7th National Symposium on Econometri & Statistic, İstanbul, 70-83.
[8] Kıyılar, M. & Eroğlu, E. (2004). Tek Endeks Modeli ve Modelin İstanbul Menkul Kıymetler Borsasmda Uygulanması- Single Index Model and Application of the Model at İstanbul Stock Exchange. İ.Ü. işletme Fakültesi Dergisi, 33(1): 21-38.
[9] Bozdağ, N.; Atlan, Ş. & Duman, S. (2005). Minimaks Portföy Modeli ile Markowitz Ortalama- Varyans Portföy Modelinin Karşılaştırılması- Comparising of the Minimax Portfolio Selection Method and Markowitz Mean-Variance Portfolio Model. Proceedings of the 7th National Symposium on Econometri & Statistic, İstanbul, 1-8.
[10] Ballestero, E.; Günther, M.; Pla-Santamaria, D. & Stummer, C. (2007). Portfolio Selection Under Strict Uncertainty: A Multi-Criteria Methodology and its Application to The Frankfurt and Vienna Stock Exchanges. European Journal of Operational Research, 181(3): 1476-1487.
[11] Bana, C.A.; Costa, E. & Soares, J.O. (2004). A Multicriteria Model for Portfolio Management. The European Journalo of Finance, 10(3): 198-211.
[12] Saaty, T.L. & Vargas, L.G. (2001). Models, Methods, Concepts & Applications of The Analytic Hierarchy Process. Dordrecht, MA.: Kluwer Academic Publishers.
[13] Winston, W. & Albrigt, C. (2000). Practical Management Science. Pacific Grove, CA.: Duxbury.
[14] Anderson, D.; Sweeney, D. & Williams, T (1997). An Introduction to Management Science. New Jersey: Prentice Hail.