A number of methods have been suggested to improve forecasts for data sets subject to structural breaks. This article explains why one such procedure, the spline function technique, may not be a natural candidate. An example is given where data that appeared to be well forecast using spline...

This article examines the behaviour of the UK capital markets during the overnight trading period that coincided with the announcement of the results of the UK general election in May 1997. Evidence that the financial markets responded to the evolving pattern of results is found. In addition,...