11.   FieldTurf resumed the battle last month, filing a lawsuit in Kentucky that accused Southwest of maintaining a monopoly through patent infringement and predatory pricing.

12.   Fisher asserts that Microsoft commits predatory pricing by giving away its Internet Explorer browser.

13.   However, neither case turns on classic antitrust issues, such as predatory pricing.

14.   If the administration backed down, he said, the states might bring suit against the airlines for predatory pricing.

15.   Kodak repackaged the old case against so-called predatory pricing in the new language of strategic trade theory.

16.   More recently, the department has challenged American on predatory pricing and Northwest on its ownership of a controlling stake in Continental.

17.   Predatory pricing is defined as lowering prices below what it costs to deliver the service.

18.   Several carriers already are pointing fingers at competitors, charging them with cherry-picking the most attractive business and predatory pricing in an attempt to increase market share.

19.   Some economists say there is no such thing as predatory pricing.

20.   That prompted charges of predatory pricing by America West officials, who accused their competitors of trying to force the airline to back off the new fare structure.