People also love to narrowly define antitrust as legal action against the perpetuation of monopoly without knowing what else it includes. You don't have to hav

People also love to narrowly define antitrust as legal action against the perpetuation of monopoly without knowing what else it includes. You don't have to have a monopoly to have the DOJ investigate. All you have to do is engage in anticompetitive practices. Monopoly is only a potential result of these practices, which you can get an overview of here: http://stats.oecd.org/glossary/detail.asp?ID=3145 http://stats.oecd.org/glossary/detail.asp?ID=3145