This paper analyzes the mean reversion property on the west African stock market (in French, Bourse Régionale des Valeurs Mobilières BRVM). For this purpose, we use two daily indices: (i) the composite index (BRVMC) and (ii) the index of the 10 most liquid assets (BRVM10) collected from 3...

We use the expected lifetime range (ELR) ratio based on the extreme values of asset prices to detect the presence of mean reversion in stock returns. We find that the actual cross-sectional average of the ELR ratio is significantly less than its bootstrap means, thereby indicating a considerable...

Trotz jahrzehntelanger Forschung zur Gültigkeit der Hypothese informationseffizienter Kapitalmärkte (EMH) sind wesentliche damit verbundene Fragestellungen noch immer ungeklärt. Eine ist diejenige nach der Existenz und der Erklärung von zeitvariablen Überrenditen ("Time Varying Excess...