Psychological biases represent new paradigms that complement traditional behavioral finance theory while introducing "behaviorist" aspects to the decision-making process. The aim of this paper is to examine the mental models of actors in Tunisian firms with respect to the behavioral approach to...

Purpose A separate study of the different behavioral biases does not allow for a full understanding of the complexity and stability of the heterogeneity of beliefs. Therefore, through a more global view of these anomalies, the authors wish to show that they can converge on a single concept,...