“…Although a number of studies drawing a comparison between different modelling methodologies already exist, [29][30][31][32][33] as far as the authors are aware, this is the first time that the interdependencies between a certain method on one hand and the level of sample size and data complexity on the other hand have been investigated in a systematic way. This subject could only be investigated sufficiently by simulating the response behaviour of the customers in a (virtual) test mailing.…”