We investigate the effect standard time series β‐adjustments have on the OLS‐β. We report that most changes are not statistically significant and the β‐adjustments appear to have no relationship to the extent of thin trading. Researchers using β face the difficult choice of using an...

Tests for active management inevitably focus on long periods. Yet, implicit in these tests is the assumption that active management generates a stable excess return. We argue that this assumption is not appropriate for active management where the emphasis is on identifying profitable trading...

This paper investigates the economic impact of corporate name changes around the time of their announcement. We analyse a sample of 107 listed Australian companies that changed their name over the period January 1995 to December 1999. We conduct separate analysis of firms having ‘major’...

A number of studies exist across a range of equity markets showing that a significant proportion of stocks in those markets have betas that vary over time. A research challenge posed by this body of evidence is to identify the factors that explain this time variation in individual stock betas....

The finance literature is replete with studies using the market model (MM) and the quadratic market model (QMM) as the return generating model. An alternative model, using the quadratic market model framework, was adopted by Barone-Adesi (1985) to test a two factor APT model related to the Three...