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IB Economics Unit 2.1: Microeconomics - Demand & Supply, Equilibrium (id: e15c50

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admin 发表于 2024-4-8 17:18:04 | 显示全部楼层 |阅读模式
本题目来源于试卷: IB Economics Unit 2.1: Microeconomics - Demand & Supply, Equilibrium,类别为 IB经济学

[单选题]
What could explain a1(0fjrq3k4 gli+c b yh c 8 x:cfh+y+wmxw4wl8decrease in demand for used cars?

A. A rise in the price of used cars
B. A rise in the price of petrol
C. A growing distaste for public transit
D. A rise in the price of new cars


参考答案:  B


本题详细解析:
Key ideas ​A decrease in demand refers to a leftward shift of r1ojxa) d12i 3lu*rj-mvv v6tthe demand curve. Only non-price determinants of demand can shift the demand curve. Explanation: B is correct, as petrol and caa16l j 1vv3itjo2v *dr) umrx-rs are complementary goods. If the price of petrol goes up, fewer people will want to buy cars (used or otherwise). Choice A is incorrect because a rise in the price of used cars would cause a decrease of quantity demanded—a movement along the demand curve—not a shift of the demand curve. Choices C and D are both incorrect as public transit and new cars are substitutes for used cars. Therefore, a growing distaste for public transit and a rise in price for new cars should both increase demand for used cars.

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