Which of the following statements is correct?
选项:
A:Government policies may improve the market's allocation of resources when negative externalities are present.
B:Government policies may improve the market's allocation of resources when positive externalities are present.
C:A positive externality is an example of a market failure.
D:Without government intervention, the market will tend to undersupply products that produce negative externalities.
发布时间:2024-04-06 23:49:39