中等ECON-INTA-011
After a tariff, government revenue equals:
A. The tariff per unit times domestic production
B. The tariff per unit times the quantity still imported✓ 答案
C. The entire loss of consumer surplus
D. The world price times exports
解說
The tariff is collected on imports that still enter, not on output produced at home. Consumer surplus falls by more than the revenue rectangle; the difference includes deadweight loss.