This paper uses the well known pre-holiday stock market anomaly to clarify the uses and limitations of the academic approach to testing for such anomalies with respect to the differing requirements of academics and investors. The approach is not designed to produce information suitable for...

This study considers the risk and return of stocks following price innovations of all sizes on UK data. The results indicate that over a long period of time it has been possible to estimate, to some extent, the expected returns and the variance of returns on a given day from the return on the...