0 relating to efforts to prevent companies from working together to control prices unfairly or to create a monopoly (= a single company or group of companies that is the only supplier of something) --
1 involving laws or actions that are intended to make business competition fair and to prevent any company from being a monopoly: --
The government is expanding its antitrust investigation against Microsoft.
2 relating to efforts to prevent companies from working together to control prices unfairly or to create a monopoly (= a single company or small group of companies that is the only supplier of something): --
Early court opinions make clear that federal judges quickly converged on the use of common law understandings in construing federal antitrust policy.
In regard to securing a sound antitrust system, the allocation and delimitation of these competences plays a major role.
Federal regulatory policy was built upon the politics of antitrust.
A central issue in antitrust enforcement is measuring market power, which typically requires first defining the product and geographic markets.
His interpretation of antitrust law assumed that the protection of small business from larger corporations promoted economic efficiency.
With a combined 75% of the market, this is just the kind of thing to raise antitrust concerns.
And with that change of personnel came a sudden reradicalization of federal antitrust policy.
Most state antitrust laws prohibited two manufacturers of a product in the state from agreeing on prices and production.
