Fill in the blanks to make the following statements correct.
a. Economists say that oligopolistic firms exhibit _______ behaviour. These firms are aware of and take account of the decisions of _______.
b. The firms in an oligopoly have a collective incentive to _______ in order to maximize joint _______; individually, each firm has an incentive to _______ in order to maximize individual _______.
c. Oligopolistic firms exhibit profits in the long run only if there are significant .
d. Three examples of non-competitive behavior practised by firms with market power are , _______ , and _______.
e. An important defence of oligopoly is the idea that it leads to more _______ than would occur in either perfect competition or monopoly. The oligopolistic firm has an incentive to_______ because it can expect to keep a good share of the resulting profit.