A buyer group is a subset of downstream firms that pool their demand for an upstream input to negotiate a better deal with suppliers. This paper develops a simple model that shows how a buyer group changes market behavior, focusing on the impact on downstream firms outside the buyer group. This...

This paper analyzes a market in which two horizontally differentiated firms compete by setting menus of two-part tariffs, and in which some consumers are not informed about the linear per-unit price component. We consider two regulatory interventions that limit firms’ ability to price...

Neil Averitt and Robert Lande have for some time been writing about consumer choice as a new paradigm for antitrust. In this comment, I both praise and extend the consumer choice paradigm and provide concrete examples of both cutting edge and familiar antitrust issues where consumer choice can...

This paper identifies substantial flaws in how U.S. government agencies and courts assess the impact of proposed mergers by firms using broadband networks to reach consumers. Based on current market definitions, consumer impact assessments and economic doctrine, antitrust enforcement agencies...

This paper analyzes a market in which two horizontally differentiated firms compete by setting menus of two-part tariffs, and in which some consumers are not informed about the linear per-unit price component. We consider two regulatory interventions that limit firms’ ability to price...