The usefulness of a technology product for an end-user often depends on the availability of complementary software products and services. Computers require software, cameras require film, and DVD players require movie programming in order for customers to value the whole product. This...

Firms often differentiate their product lines vertically to capture consumers' differential willingness to pay for quality. Additionally, many firms offer products varying not in quality but in characteristics such as scent, color, or flavor, that relate to horizontal differentiation. For...

The purchase timing decision is an important component of the dynamics of a household's purchase behavior. This decision is influenced by marketing and other variables, and the modeling of this dependence has recently received attention in the literature. In this paper, we build on previous...