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 investigates the determinants of price quote revisions on the London Stock Exchange for a sample of highly liquid stocks over a two-week settlement period in September 1990. In our theoretical model the level of optimal price quotes set by market makers are a function of the expected...

As a result of population ageing and declining fertility, the UK state pension system is unlikely to continue to be able to deliver the current level of pensions without some combination of a higher state pension age and a steady inflow of young immigrant workers from abroad. However, with...

Using data for the United Kingdom, the author shows that investors in six different wealth ranges hold mean-variance efficient portfolios of financial assets. This result permits him to estimate coefficients of relative risk aversion for investors in each wealth range. The author finds that...