[課業]經濟學問題請益(價格彈性) - Examination板

作者 paradise0328 (ㄚ福)
標題 [課業]經濟學問題請益(價格彈性)
時間 Wed Feb 28 01:14:17 2024

【題目】
Suppose the price elasticity of demand for oil is 0.1. price elasticity of
supply for oil is 0. In order to lower the price of oil by 20 percent, the quantity of oil
supplied must be increased by

a. 0.2 percent.
b. 2 percent.
c. 200 percent.
d. 20 percent.

【Google翻譯】
假設石油需求的價格彈性為0.1。石油供應的價格彈性為0。為了使石油價格降低20%，石
油供應量必須增加

a. 0.2 %
b. 2 %
c. 200 %
c. 20 %

答案：b

想法: 不知道 2% 怎麼出來的，知道價格彈性公式也不知道怎麼算出來，請各PTT大神
幫小弟解惑，感謝您。

【題目來源】
https://reurl.cc/qr6nr0

(Solved) - Suppose the price elasticity of demand for oil is 0.1. In order to... (1 Answer) | Transtutors

Suppose the price elasticity of demand for oil is 0.1. In order to lower the price of
oil by 20 percent, the quantity of oil demanded must be increase ...

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※ 作者: paradise0328 2024-02-28 01:14:17
※ 文章代碼(AID): #1btXXhZH (Examination)
※ 文章網址: https://www.ptt.cc/bbs/Examination/M.1709054059.A.8D1.html

→ paradise0328: 題目來源及答案 https://reurl.cc/mrAYnj1F 02/28 10:01

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【題目】 Under which of the following conditions would the interdiction of illegal drugs result in a decrease in the quantity of drugs ... ...

推 goshfju: 圖畫出來就知道了，供給彈性為0，代表供給線為垂直線，供給線往右移動多少。需求量就會增加多少，而需求彈性為0.1，要使價格下降20%，數量必須增加20%*0.1=2%，選b2F 02/28 13:36

推 abcs4587888: 看到0就先想到畫圖5F 02/28 20:31

→ paradise0328: 感謝各位大大解惑，小弟感激不盡，謝謝大家6F 02/28 22:08