Table 1

Alternatives to the EMH

HypothesisImplication
Noise Trader ApproachIt highlights the importance of understanding investor sentiment, cognitive biases and emotional reactions in financial markets
Coherent Market HypothesisThe need to understand and model nonlinear dynamics in finance
Fractal Market HypothesisThe need to understand that investors are not homogeneous but are heterogeneous depending on their investing horizon
Heterogenous Market HypothesisThe HMH suggests that diversity in market participants' preferences, beliefs and behaviours plays a significant role in shaping financial markets. This diversity has implications for market dynamics, price discovery, risk and return, investor behaviour and regulatory considerations
Adaptive Market HypothesisThe need to understand that market efficiency is not static but is dynamic depending on the interaction and competition among different stakeholders at any given time
Discovering Market HypothesisThe hypothesis emphasises the role of narratives in asset price formation
Novelty-Narrative HypothesisThe need to comprehend the role of information in an environment that has been exposed to a novel event
Intersubjectivity Market HypothesisThe need to use a multidisciplinary approach to empirical finance, particularly the application of methods from econophysics

Source(s): Table created by authors

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