The Interstate Commerce Act and Sherman Antitrust Act were passed within 3 years of each other. Although regulation and antitrust both address market power, the ICA and Sherman Act had different objectives. After a minimal reference to just and reasonable prices, the ICA focused on preventing...

Applying a standard model of endogenous quality choice to the case of multiple national markets (i.e., a developed and a less developed country), we consider the effect of an economic integration (i.e., a movement from segmented markets into a single integrated market through the removal of...

The authors present a classroom experiment designed to illustrate key concepts of third-degree price discrimination. By participating as buyers and sellers, students actively learn (1) how group pricing differs from uniform pricing,(2) how resale between buyers limits a seller's ability to price...

This paper analyzes optimal pricing for information goods under incomplete information, when both unlimited-usage (fixed-fee) pricing and usage-based pricing are feasible and administering usage-based pricing may involve transaction costs. It is shown that offering fixed-fee pricing in addition...

We study price discrimination in a monopolistic software market. The monopolist charges different prices for the upgrade version and for the full version. Consumers are heterogeneous in taste for infinitely durable software and there is no resale. We show that price discrimination leads to a...