This important two volume set provides the main contributions to product differentiation theory, starting from early works to recent advances. A taxonomy based on modern economic theory puts the papers into a new perspective. The resulting collection of papers gives the reader the fundamental...

This volume brings together the most significant articles which have appeared over the past three decades analyzing the application and effects of price discrimination.

The formulation and application of competition policy presents significant challenges. These include showing that proposed mergers are anticompetitive, proving that firms are members of cartels and defending apparently restrictive vertical agreements. The editor has selected key papers that...

We examine the decision to advertise a homogenous good. We show that the likelihood of inefficiently low advertising rests heavily on how one models the mechanism by which advertising affects demand. Regardless of this mechanism, however, there is always a lower bound of concentration below...

We analyze competition in product lines by multi-product oligopolists that have preferential access to a local market but can supply a rival's market by incurring distance costs. We show that the width and degree of overlap in the product lines is greater in large markets and when the products...

This paper presents an empirical assessment of movie-theatre attendance in two major metropolitan markets and provides strong support for the importance of spatial characteristics in determining attendance. We consider the hypothesis that attendance at a particular movie theatre reflects a...