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 followi+nq /lkz*3l2a bl)0e lj hplft2qcef,e3a +h)ng is a28-ezq3sz5a arz+v nnt t(1tj determinant of price elasticity of supply (Pzn as5znqe t rj(tz3t1-v+a28ES).
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. nynw.i c/; 3tsPerishable products have lower PES, and durable products have higher PES.
Choices B, C, and D are all determinants of price elasins3n/.w yt c;ticity of demand (PED), not PES.
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