Abstract: In the context of stock market decision-making and investment processes, the impact of the disposition effect, the endowment effect and the attachment bias is great. The present research, based on answers given by 81 certified stock exchange executives, demonstrates the effect of the above biases on the subjects' rational investment decisions and choices and the significant role of certified executives in the operation and processes of the stock market
Keywords: Behavioral Finance, Disposition Effect, Endowment Effect, Attachment Bias, Investment Advisers, Stock Market
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