Modified grey demand forecasting model based on marketing efforts

摘要

Based on the adaptation of grey forecast models on the new product, this paper considers the influence of marketing on the demand, and establishes an improved grey model GMM(1,1) based on the definition of marketing efforts flexible of new product, which is compared with GM(1,1),GM(1,2), GM(0,2) and regression modelby theoretical analysis and calculation to verify its feasibility and superiority. It is improved that GMM(1,1)can be effectively applied in new productsdemand forecast when it is relative lack ofdata.