你还在为考试焦头烂额?找我们就对了!

我们知道现在是考试月,你正在为了考试复习到焦头烂额。为了让更多留学生在备考与学习季更轻松,我们决定将Gold会员限时免费开放至2025年12月31日!原价£29.99每月,如今登录即享!无门槛领取。

助你高效冲刺备考!

题目
题目
单项选择题

The annual demand for cars in a certain country is given by D = 20,000 – P where P is the price of a car in dollars. The annual supply of cars by domestic producers is given by S = 5,000 + 0.5P. Suppose this economy opens to trade while the world price of a car is $6,000. As a result of automobile industry union’s lobby, the government decided to impose a quota allowing 3,000 cars to be imported annually. How much import tariff per car would lead to the same equilibrium price and quantity as the import quota?

选项
A.a. $1000.
B.b. $2,000.
C.c. $3,000.
D.d. $4,000
查看解析

查看解析

标准答案
Please login to view
思路分析
We start by outlining the basic relationships: demand is D = 20,000 − P and domestic supply is S = 5,000 + 0.5P, where P is the price per car in dollars. First, analyze the import quota scenario. With a quota of 3,000 imports, the total imports equal Qd − Qs, so set (20,000 − P) − (5,000 + 0.5P) = 3,000. Working this out gives 15000 − 1.5P = 3,000, which yields P = 8,000. The corresponding quantity demanded is Qd = 20,000 − 8,000 = 12,000, and domest......Login to view full explanation

登录即可查看完整答案

我们收录了全球超50000道考试原题与详细解析,现在登录,立即获得答案。

更多留学生实用工具

为了让更多留学生在备考与学习季更轻松,我们决定将Gold 会员限时免费开放至2025年12月31日!