the sherman act makes it illegal to
The Sherman Antitrust makes monopoly power illegal. Under the Sherman Act monopoly power is considered the ability of a business to control a price within its relevant product market or its geographic market or to exclude a competitor from doing business within its relevant product market or geographic market.he FTC is one of the enforcement arms of the Sherman Antitrust Act. The FTC has administrative rule making and enforcement authority. Administrative law judges frequent issue opinions, similar to court opinions, regarding what is considered monopoly power under the Sherman Act.