Fok, D.; Franses, Ph.H.B.F. - Erasmus Research Institute of Management (ERIM), ERIM … - 2000
Dividing forecasts of brand sales by a forecast of category sales, when they are generated from brand specific sales-response models, renders biased forecasts of the brands' market shares. In this paper we therefore propose an easy-to-apply simulation-based method which results in unbiased...