In this article, we showed the results of our study on the saddle phenomenon by an analytical model of two markets!early and mainstream!and the relationships between them. This model creates a growth pattern wherein a saddle can be discerned. We tested this model empirically on seven product...

Diffusion of new products is an important problem in marketing research. One of the most prominent models in diffusion theory is the Bass Diffusion model that describes the number of adopters of new products as a differential equation. More recently, diffusion of products has been studied using...