问题 单项选择题

There are four main barriers to entry. Which of the following is NOT a barrier to entry()

A. Patents.

B. Resource Control.

C. Allocative Efficiency.

答案

参考答案:C

解析:

The other barriers to entry are government licensing and legal barriers such as utilities are given the exclusive right to supply electricity in certain areas.

单项选择题 A1/A2型题
单项选择题