Economic Definition of antitrust. Defined.
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Term antitrust Definition: The generally process of preventing monopoly practices or breaking up monopolies that restrict competition. The term antitrust derives from the common use of the trust organizational structure in the late 1800s and early 1900s to monopolize markets. The most noted example of the use of a monopoly trust was the Standard Oil Trust, controlled by J. D. Rockefeller and dismantled through the Sherman Act in 1911. The creation of similar monopoly trusts led to the several antitrust laws, including the Sherman Act, the Clayton Act, and the Federal Trade Commission Act.