Franses, Ph.H.B.F.; Paap, R.; Sijthoff, Ph.A. - Erasmus Research Institute of Management (ERIM), ERIM … - 2001
A commonly applied modeling tool for the analysis of promotional effects on weekly sales data is a linear regression model. Usually, such a model includes 0/1 dummy variables for promotions, where weeks with a promotion get a value of 1. When these variables are included in a model with...