42. The four major competitive structures are:
a. monopolies, oligopolies, oligopolistic monopolies, and pure competition.
b. pure competition, heavy competition, moderate competition, and light competition.
c. brand, product, total budget, and generic.
d. oligopolies, monopolies, monopolistic competition, and pure competition.
e. monopolies, limited competition, oligopolistic competition, and pure competition.
43. Which of the following types of a competitive structure exists when a firm produces a product that has no close
substitutes?
a. Monopoly
b. Oligopoly
c. Monopolistic competition
d. Pure competition
e. Mixed competition