An increase in the cost of short selling should increase the bearish information content of short interest announcements by driving relatively uninformed short sellers out of the market (Diamond and Verrecchia, 1987). We extend the Diamond and Verrecchia model to include short selling against...

This study investigates the relationship between the dispersion of analysts? earnings forecasts and stock price variability around quarterly earnings announcements. Consistent with theoretical predictions, the empirical analysis shows that stock price variability at the time of earnings...

This paper provides an empirical study of the effect of a transaction tax on share prices, using changes in the rate of stamp duty in the UK as quasi-experiments. Because the impact of a stamp duty is expected to depend on how frequently particular shares are traded, we employ a...

In this paper we examine the market reaction - price and volume - to the appearance of a firm in the Who's News column of the Wall Street Journal. We differentiate between those firms whose articles are accompanied by a picture of an executive and a control set of firms whose articles on the...

We revisit and extend the topic of secondary share sales and revisions in IPOs. First we test to determine if secondary share sales constitute a negative signal that is captured in aftermarket performance. We find secondary share sales in general are not correlated with poorer initial or...

I test whether the persistence of the momentum and reversal effects is the result of idiosyncratic risk limiting arbitrage. Idiosyncratic deters arbitrage, regardless of the arbitrageur's level of diversification. Reversal is prevalent only in high idiosyncratic risk stocks, suggesting that...

This paper analyses the investment value of analysts' consensus recommendations and their changes in eight developed stock markets using equity recommendations from Factset/JCF database, in the period from January 1994 to June 2004. Our results show that analysts are optimistically biased,...

All US stock market sectors and industries perform better during winter than during summer in our sample from 1926-2005. In more than two-third of all sectors and industries this difference in summer and winter returns, known as the Halloween effect, is statistically significant and in half of...

The objective of the present study is to examine the interplay between information, trading volume and volatility in Short Sterling futures. More specifically, the paper concentrates on the role of liquidity variables as conduits of information arrival and whether such variables could be an...

After the Nasdaq and AMEX merged in 1998, officials of the new entity argued that some quot;smaller, harder to tradequot; companies on Nasdaq should switch to AMEX to improve liquidity. This recommendation is based on the traditional view among academics and practitioners alike that a...