This paper presents the first empirical evidence regarding the share price impact of open market stock repurchases in the UK. The analysis reveals a positive reaction on the day of the announcement of the repurchase, consistent with the reaction found under very different circumstances in the...

This paper applies real option pricing theory to the analysis of a sample of 15 recent mergers and acquisitions in the European financial services industry. Overall, it is found that those acquisitions were not on average overpaid. Nevertheless, further analysis, assuming the option premium...

The choice of model of normal returns in event studies has been widely discussed in the literature. While researchers frequently continue to use an array of alternatives, there is currently some tendency to favour cruder but simpler mean- or market-adjusted returns models. This paper presents a...

This paper analyses whether it is possible to perform an event study on a small stock exchange with thinly trade stocks. The main conclusion is that event studies can be performed provided that certain adjustments are made. First, a minimum of 25 events appears necessary to obtain acceptable...

This paper investigates the abnormal share return dispersion occurring when companies announce their interim or final earnings. Whereas, prior research has focused on abnormal returns, little attention has been given to investigating the dispersion of the abnormal returns. We find strong...

The aim of this paper is to test whether the European Commission activities generate a heterogeneity effect on the merging parties. A sample of 74 firms involved in 45 contested merger and acquisition operations during the years 1990 to 1999 is used. The methodology is based on the GARCH...

The paper describes simultaneous tests of the effects of announcements of UK mergers and acquisitions on both the mean and conditional volatility functions for UK bidder firms. Unlike previous research, the entire data set is utilized, thus avoiding researcher-chosen event periods. The...

This paper examines the dynamic relationship between stock prices and dividends using a structural cointegrated vector autoregression. The approach adopted fully identifies the system without imposing arbitrary restrictions and decomposes innovations into permanent and transitory components....

The hypothesis that stock market price indices follow a random walk is tested for five European emerging markets, Greece, Hungary, Poland, Portugal and Turkey, using the multiple variance ratio test. In four of the markets, the random walk hypothesis is rejected because of autocorrelation in...

The predictability of long time series of stock index levels and stock prices is investigated using both statistical and trading rule methodologies. The trading rule analysis uses a double moving-average rule and the methods of Brock, Lakonishok and LeBaron. Results are obtained for the FTA,...