A brand switching model that considers the choices: previous choice, current choice, and substitute choice, if the current choice were not available, is developed and estimated. An important assumption of the model is that the market consists of two types of consumers: "Loyals" and "Shoppers."...

A structured market for a product category is a pair (, ) consisting of a set of consumers who have the same decision tree, , which reflects the process by which the consumers in evaluate product features when making choices. Using a nested logit approach: (1) we present methods to test for the...

A recent paper by Novak and Stangor (, Winter 1987) on testing competitive market structures involves testing a two-sided hypothesis to determine the nature of the competitive market structure. In this paper we provide an improvement to the Novak and Stangor procedure by considering a one-sided...