Zhao, Qi; Zhang, Yongfeng; Zhang, Yi; Friedman, Daniel - 2016
utility of one product may depend on whether or not other products are purchased. For example, the utility of a camera lens is … much higher if the user has the appropriate camera (complements), and the utility of one camera is lower if the user … already has a similar camera (substitutes). In this paper, we propose multi-product utility maximization (MPUM) as a general …