It is proposed that forecasting systems should be implemented on a trial basis and evaluated in terms of accuracy and/or economic benefits prior to full‐scale implementation. The conventional method of evaluating a forecasting system is to compute one or more error terms. Problems occur when...

The forecast revision process is shaped by the environment in terms of the nature of the revision activity and in terms of its perceived effectiveness. A study on forecast revision focuses on the variables that describe the market situation for a product and so shape the context within which...