“…Legal action turns economic and jurisprudential theory into litigation, remedy, prohibition, deterrence, and precedent that advance competition". Further, recent studies on the history of U.S. CP have impressively demonstrated how large was the scope of discretion in CP enforcement, concluding that the most significant changes in CP for its effectiveness came from changes in the approach taken to the law enforcement (Baker, Frydman, & Hilt, 2018b). Even, it is suggested a sort of 'reverse causality', according to which "the most significant change in antitrust jurisprudence occurred in the 1970s, when stringent antitrust enforcement triggered a backlash that transformed law and policy" (Sawyer, 2019, p. 3).…”