李同学2022-03-02 11:43:11
E变化是否取决于measures the amount of change in the quantity demanded given a percentage change in the price of the product?
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Jessica2022-03-02 13:18:46
同学你好
关于选项C的解析,我已经写在上一条的回答中了哈:
选项C错在不应该是需求的变化量是多少,而应该是需求的变化量的百分比是多少。
即 Price elasticity of demand measures the percentage of change in the quantity demanded given a percentage change in the price of a given product.
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