predatory pricing
From Longman Business Dictionarypredatory pricingˈpredatory ˌpricingCOMMERCEMARKETING the practice of selling something for less than it costs to produce. This is often done to increase MARKET SHARE (=a company’s proportion of a market) and to drive competitors out of the marketThey argue that the 10% discount on long-distance calls amounts to predatory pricing against other telecommunications companies. → pricing