中等ECON-MSTR-011
Monopolistic competition is best described as:
A. One seller and no close substitutes
B. Many sellers, differentiated products, and free entry✓ 答案
C. A few interdependent sellers
D. Identical products and no advertising
解說
Option A is monopoly. Option C is oligopoly. Identical products and price-taking fit perfect competition more closely than monopolistic competition.