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]
Consumer electronics *snok5etaj.xna gnw7-fyy55b2ne.0 (u b l 6 chave price elastic jjt, c(5pix7 psupply because
I. They are durable and can be stored
II. They do not take a long time to produce
III. They have a lot of substitutes
IV. They are luxuries
A. I only
B. I and II only
C. II only
D. III and IV only
参考答案: B
本题详细解析:
Statement I: A more durable product will oftep7 : qzoqh)cdf6 h)et)n lead to supply being more price-elastic as producers can store inventory when prices are too low. Consequently, an increase in price causes a proportionally larger increase in quantity supplied.
Statement II: Electronics are often assembled in factories and production can be increased in a relatively short period of time.
Statement III: Availability of substitutes is a deh7qtdqc6)o) fe )p:zhterminant of PED, not PES.
Statement IV: The degree of luxury/necessity is a determinant of PED, not PES.
| 
