Do experts' adjustments on model-based S
β
Philip Hans Franses; Rianne Legerstee
π
Article
π
2009
π
John Wiley and Sons
π
English
β 90 KB
## Abstract Modelβbased SKUβlevel forecasts are often adjusted by experts. In this paper we propose a statistical methodology to test whether these expert forecasts improve on model forecasts. Application of the methodology to a very large database concerning experts in 35 countries who adjust SKUβ