Preface
Introduction
Horizontal agreements
Defining the problem
Communications
Statutory provisions and higher court interpretations
U.s. lower court practice
Paradox of proof
Oligopoly theory and the agreement requirement
Price-fixing policy
Social welfare
Framework for decision-making
Detection : market-based evidence
Detection : other types of evidence
Liability assessment
Sanctions
Unilateral market power
Additional considerations
Comparison of approaches
Communications-based prohibition
Detection of prohibited communications
Further topics.