Behavioral biases and asymmetric information explain deviations from the efficient market hypothesis
Is it true that behavioral biases and asymmetric information explain deviations from the efficient market hypothesis?
Yes. Multiple studies demonstrate that psychological factors, cognitive biases, and asymmetric information drive market anomalies and deviations from the efficient market hypothesis.
Verdict: SUPPORTED · 5 sources for, 0 against · Last checked
The provided literature extensively documents how behavioral biases (such as herding, overconfidence, and sentiment) and market frictions or information asymmetries lead to deviations from the Efficient Market Hypothesis (EMH). Papers 1, 4, 5, 6, and 9 all directly support the claim that behavioral finance and market anomalies explain these departures from strict market efficiency, with no papers retrieved that refute the premise.
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Gu, G. (2023). The Dynamic Interplay of Market Forces and Human Behavior: A Critical Review of Efficient Market Hypothesis and Behavioral Finance. doi.org. https://doi.org/10.54254/2754-1169/31/20231498
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Arya, D. & Singh, D. S. (2025). The Role of Behavioral Finance in Understanding Market Anomalies. doi.org. https://doi.org/10.70135/seejph.vi.4018
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A, N., NS, B., F, A., A, S., P, S., SS, C., & V, A. (2024). Decoding Investor Sentiments in the Indian Stock Market: A Structural Equation Modelling Approach.. doi.org. https://doi.org/10.12688/f1000research.156635.2
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Shehryar, M., Mardoni, Y., & Anser, M. (2025). BEYOND THE EFFICIENT MARKET HYPOTHESIS: A CONCEPTUAL INQUIRY INTO CALENDAR ANOMALIES. doi.org. https://doi.org/10.23969/jrak.v17i2.32540
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TT, H. & BT, K. (2025). Regional asymmetry in financial markets: Pricing of skewness risk in the Thai stock market.. doi.org. https://doi.org/10.1371/journal.pone.0336697
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