This paper investigates the presence of abnormal returns through the use of trading strategies that exploit the predictability of short run stock price movements. Based on historical returns of the largest set of individual securities in the UK stock market examined to date, this paper...

Major global events can lead to a change in the cross-country correlation of assets. Using stock prices from 25 economies, we test whether the terrorist attack in the United States on September 11, 2001, resulted in a contagion-an increase in correlation across global financial markets. Unlike...

The authors apply the original variance bounds tests to the present value model for the U.K. stock market and amend these tests to take account of revisions in the model's parameters. They show that variance bounds tests that correct for this are no longer violated. However, they claim there is...

This paper compares trading costs for institutional investors subject to liquidity shocks, in auction and dealer markets. The batch auction restricts the institutions' ability to exploit informational advantages because of competition between institutions when they simultaneously submit orders....

This paper examines the effect of a change in the percentage of informed participants in an asset market on the variability of prices. The authors consider equilibrium in the asset market before the information is revealed to a subset of traders. They find that ex ante price variability is...

This paper examines persistence over time in the performance of fund managers responsible for making the investment decisions of UK pension funds. Previous work on UK pension funds found little evidence of fund manager persistence, but we argue that this may have been due to survivorship bias in...