This essay will help you understand the relationship between regulations and market structure and how it affects our current market structure. I will discuss the antitrust laws when it relates to oligopoly and monopoly.

A. Summarize the four major pieces of legislation collectively known as the Antitrust Laws.

Sherman Act is a law that restricts contracts and combination of trades among states. It also would penalize any person trying to form or conspire to become a monopoly.

Clayton Act outlaws price discrimination, prohibits tying contracts, prohibits the acquisition of stocks of competing corporations, and prohibits the formation of interlocking directorates. Celler-Kefauver Act which was added to the Clayton Act prohibits a firm from merging with a competing firm and lessening the...