Some analysts consider oligopolies to be potentially less efficient than monopoly firms because at least monopoly firms tend to be regulated. Arguments in favor of a more benign view of oligopolies include: a. oligopolies may engage in limit pricing to keep out potential entrants.
b. unanswered oligopolies can be kept in line by foreign competition.
c. unanswered oligopolistic industries may promote technological progress.
d. unanswered oligopolies are self-regulating. unanswered