The setting for antitrust analysis -- Horizontal restraints : collaboration among competitors -- Monopoly -- Vertical restraints -- Mergers : horizontal, vertical, and conglomerate -- Discrimination under the Robinson-Patman Act.

Many of those concerned with public utility regulation assume that federal antitrust law has little bearing on regulated industries. That assumption is erroneous. This paper indicates some of the ways in which antitrust law affects regulated firms. It begins with a few words about antitrust...