Vol 09-2

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Open Access
How Do Bangladeshi Investors Take Decisions? An Ethnographic Decision Tree Model of Stock Selection
(North South University, 2020-06) Ashiqul Haq Chowdhury; Asad Karim Khan Priyo; Jashim Uddin Ahmed
The study explores the decision making process of Bangladeshi stock market investors. We interview 31 investors currently holding stock portfolio in the Dhaka Stock Exchange (DSE) to understand their choices and decision making process. Based on the findings, we develop an Ethnographic Decision Tree Model (EDTM) of Stock Selection. We find that a stock usually comes to an investor’s attention through news/ rumors or suggestions received from family/ friends/ broker or on the basis of past experience. Information use often depends on trust and the necessity to act on it immediately. In an active search process, ‘filter’ criteria are used to reduce the choice set of stocks for further evaluation. The nature of evaluation depends on whether investors look to invest for the long or the short term. Finally, stock selection depends on whether investors perceive the stock to be undervalued and whether the stock fits her/ his investment strategy. We also find that collective intelligence affects an individual’s investment decision and trustworthiness of the information source is a key factor in determining her/ his investment behavior.