We employ the Barberis et al. (2005) methodology to investigate the impact of changes to the FTSE 100 index on return comovement 1992-2002. For FTSE entries, the average weekly increase in the beta coefficient is 0.38 in univariate regressions and 0.60 in bivariate regressions that control for...

The article tests for a random walk in European equity style indexes. After briefly introducing the efficient market hypothesis, equity styles in general and the used statistical techniques (Variance Ratio Test and modified Rescaled Range Test) it is shown that a random walk in European equity...

The article tests for a random walk in European equity style indexes. After briefly introducing the efficient market hypothesis, equity styles in general and the used statistical techniques (Variance Ratio Test and modified Rescaled Range Test) it is shown that a random walk in European equity...