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]
Identify which of the following is * zycrjh6yl8 l;)c6 zfa dete06fvodm lv(5 qrminant of price elasticity of supply (PES)vdq(506vflm o .
A. Ability to store
B. Availability of substitutes
C. Proportion of income spent
D. Degree of necessity
参考答案: A
本题详细解析:
The ability to store a product affects its PES. Perishable products h:zgq,du7eq -xr 1nr1 fave lower PES, and durable products have higher PES.
Choices B, C, and D are all determinants of price elasticity of demand (PE7 fenxg1 r1ruq d-:,qzD), not PES.
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