需求、供給與價格 - 經濟

By Thomas
at 2010-08-01T23:59
at 2010-08-01T23:59
Table of Contents
題目一:某航空公司估計旅客之機票需求為:當價格100元時,需求量為504張
當價格為110元時,需求量為254張。假定需求線為直線,則當價格
100元至110元間之中點彈性約為?
(A)11.05
(B)10.08
(C)6.93
(D)4.96
ANS:C
題目二:已知X產品的價格彈性為2,若X產品的價格由每單位3元漲為5元,則利
用弧彈性計算的需求量變動百分比為何?
(A)50%
(B)100%
(C)150%
(D)200%
ANS:B
不曉得該如何下手解題,請各位幫忙教一下解法感謝。
--
當價格為110元時,需求量為254張。假定需求線為直線,則當價格
100元至110元間之中點彈性約為?
(A)11.05
(B)10.08
(C)6.93
(D)4.96
ANS:C
題目二:已知X產品的價格彈性為2,若X產品的價格由每單位3元漲為5元,則利
用弧彈性計算的需求量變動百分比為何?
(A)50%
(B)100%
(C)150%
(D)200%
ANS:B
不曉得該如何下手解題,請各位幫忙教一下解法感謝。
--
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經濟
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