Targeting - setting marketing policy differentially for different customers or segments - is an important marketing practice. Previous approaches to quantifying the benefits from targeting have typically calibrated a response model and used the variation in response parameter estimates to...

Multivariate count models represent a natural way of accommodating data from multiple product categories when the dependent variable in each category is represented by a positive integer. In this paper, we propose a new simultaneous equation multi-category count data model ndash; the...