Abstract:Prospect theory and its evolution, the behavioural finance, suggests that investment decisions could deviate from rationality. This study aims to investigate behavioural biases that influence the investment decisions of stock market investors in Sri Lanka. We have collected the primary data from 250 active investors of the Colombo Stock Exchange. We have used the Structural Equation Modelling technique to test our hypotheses. We find that overconfidence bias and herding bias significantly influence the investm… Show more
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