Calculate the change in import revenue before and after the imposition of the above tariff.
A. £0
B. −£15 000
C. £9 000
D. −£5 000
参考答案: D
本题详细解析:
D
Explanation: Before the imposition of the tariff, 10 000 units were imported at the price of £1. After the imposition, 5 000 units are exported at the price of £2, with half of the revenue going to those foreign producers, and half to the government levying the tax.