This paper examines competing explanations, based on risk and investor sentiment, for the cross-sectional returns in the Tunisian stock market. First, we examine the explanatory power of Fama and French (1993); and Carhart (1997) risk factors in the cross-section of stock returns. We find...

This paper develops a model of heterogeneous agents on an options market. On Paris Option Market, negotiators have different beliefs about future-at the volatility of the underlying. We assume in advance two groups; fundamentalists who believe in mean reversion and Chartists that incorporate...

In this study, we test for the presence of investor herding behavior in the Tunisian stock market. Further, we explore the explanatory factors of the occurrence of the probability of stock market booms and busts by combining herding behavior of investors and economic and financial fundamentals....