Event studies typically use the methodology developed by Fama et al. [1969. The adjustment of stock prices to new information. International Economic Review 10, no. 1: 1-21] to segregate a stock's return into expected and unexpected components. Moreover, conventional practice assumes that...

The instantaneous return on the Financial Times-Stock Exchange (FTSE) All Share Index is viewed as a frictionless particle moving in a one-dimensional square well but where there is a non-trivial probability of the particle tunneling into the well’s retaining walls. Our analysis demonstrates...

Data mining aims to find patterns in organizational databases. However, most techniques in mining do not consider knowledge of the quality of the database. In this work, we show how to incorporate into classification mining recent advances in the data quality field that view a database as the...

In this paper earnings, dividends and stock prices are modelled within a plausible economic framework. The first stage in the analysis involves characterisation of the dynamic behaviour of earnings, for which evidence was found for mean reverting behaviour in the long term, and weaker evidence...

This study is an investigation into the cross-sectional determinants of stock returns in a small market - the Athens Stock Exchange - where the Fama and French portfolio grouping procedure that is normally used to counter the error in variables problem in estimating beta is problematic due to...