Market power means the ability of a company to control prices or exclude competition. This term is commonly used in [[antitrust]] lawsuits, and has been repeatedly cited by judges in 255 cases in 2005 and 2006. It is the central term in [[antitrust]] litigation because the more market power that a company has, the more it can restrain trade. | Market power means the ability of a company to control prices or exclude competition. This term is commonly used in [[antitrust]] lawsuits, and has been repeatedly cited by judges in 255 cases in 2005 and 2006. It is the central term in [[antitrust]] litigation because the more market power that a company has, the more it can restrain trade. |