sentences:  Bork argued that both the original intention of antitrust laws and economic efficiency was pursuit "only" of consumer welfare, the protection of competition rather than competitors.Furthermore, only a few acts should be prohibited, namely cartels that fix prices and divide markets, mergers that create monopolies, and dominant firms pricing predatorily, while allowing such practices as vertical agreements and price discrimination on the grounds that it did not harm consumers.Running through the different critiques of US antitrust policy is the common theme that government interference in the operation of free markets does more harm than good.