A. Do not exist in monopoly
B. Cannot exist in oligopoly
C. Do not exist in monopolistic competition
D. Do exist in perfect competition
Correct Answer: Do not exist in monopolistic competition ✔
Last Updated: June 18, 2019
A. Do not exist in monopoly
B. Cannot exist in oligopoly
C. Do not exist in monopolistic competition
D. Do exist in perfect competition
Correct Answer: Do not exist in monopolistic competition ✔
Last Updated: June 18, 2019