IB Economics Unit 2.3: Microeconomics - Elasticities (id: 10e8d3c45)

本题目来源于试卷: IB Economics Unit 2.3: Microeconomics - Elasticities，类别为 IB经济学

[单选题]

Rrice	Quantity demanded
US$20	100
US$21	97

Calculate the price elasticity of demand for the product in the table above when the price increases from US $\$$20 to US $\$$21.

A. 3
B. 1.67
C. 0.6
D. 0.33


参考答案:  C


本题详细解析:

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