We consider consumer entry in the canonical monopolistic nonlinear pricing model ( Mussa and Rosen 1978) wherein consumers learn their preference “types” after incurring privately known entry costs. We show that by taking into account consumer entry, the nature of optimal nonlinear pricing...

This paper analyzes optimal product lines when consumers differ both in their taste for quality and in their desire for social image. The market outcome features partial pooling and product differentiation that is not driven by heterogeneous valuations for quality but by image concerns. A...

We analyze vertical product differentiation in a model where a good’s quality is unobservable to customers before purchase, a continuum of quality levels is technologically feasible, and minimum quality is supplied by a competitive fringe of firms. After purchase the true quality of the good...