【单选题】When farmers raise hogs, there are a number of external costs. In particular, hogs generate methane gas. If the marginal external cost is $100 per hog and the government imposes a tax of $200 per hog,...
A.
too few hogs will be raised.
B.
the price will be less than the marginal social cost.
C.
the price will be less than the marginal social benefit.
D.
the price will be less than the marginal cost to hog farmers.
【单选题】The hydrocarbon gas is classified into dry gas and moisture according to the humidity coefficient of the hydrocarbon gas. Generally, natural gas with a methane content of less than ( ) is called moist...