52) In which market structures is the firm able to earn long-run economic profits?
A) perfect competition and monopolistic competition
B) monopolistic competition and oligopoly
C) oligopoly and monopoly
D) monopolistic competition, oligopoly and monopoly
53) In which market structures does a firm have at least some ability to set the market price?
A) perfect competition and monopolistic competition
B) monopolistic competition and oligopoly
C) oligopoly and monopoly
D) monopolistic competition, oligopoly and monopoly
54) In which market structures do firms engage in nonprice competition?
A) perfect competition and monopolistic competition
B) monopolistic competition and oligopoly
C) oligopoly and monopoly
D) perfect competition and monopoly
55) In which market structures do firms earn long-term profits of zero?
A) perfect competition and monopolistic competition
B) monopolistic competition and oligopoly
C) oligopoly and monopoly
D) perfect competition and monopoly