Özet:

There are many cases while individual investor’s decision about investment are under the influence. Investors’ sex, marital status, occupational status, educational level, ages and income level are various, therefore the difference affect for each investor in a different manner when they are investing. Also, psychological tendency of investors have an important role in trading decisions in addition to demographic characteristics. In our study, we examined whether there was the relation between individual share holds’ investment decision and cognitive biases which include both to demographic characteristics and Psychological tendency or not, if there was the level of relationship was detected. For this aim, the general information about cognitive biases of investors was given. Then a survey-base study was conducted on individual investors in the West Mediterranean Region (Antalya, Isparta and Burdur) and the data was analysed with Frequency analysis, Arithmetic mean, Standart deviation, Principal component analysis, T-Test, One-Way Anova and the results had been interpreted.

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