In the competitive market for balloon rides, marginal social cost equals marginal social benefit when 3,000 balloon rides a day are taken and the price of a ride is $130. Which of the following statements is true?
选项:
A: There is a free-rider problem.
B: Too many rides are available.
C: Too few rides are available and the price of a balloon ride is too high.
D: The efficient quantity of balloon rides is 3,000 a day.
发布时间:2024-04-06 23:52:34