一財貨是正常財,則此財貨的需求曲線 - 經濟

By Oscar
at 2012-01-06T14:58
at 2012-01-06T14:58
Table of Contents
來源: 94 年特種考試地方政府公務人員考試試題解答
科目:經濟學概要
問題:
一財貨是正常財,則此財貨的需求曲線
(A)一定是負斜率
(B)若替代效果小於所得效果,則為負斜率
(C)若替代效果大於所得效果,則為負斜率
(D)一定是正斜率
為什麼是A?
我的想法:
正常財:ΔX/ΔM>0
(B)看所得效果 ΔP>0 => ΔM<0 =>ΔX<0 負斜率
(C)替代效果 ΔP>0 => ΔX<0 負斜率
(A)
1.炫耀財 是正常財
2.炫耀財 需求曲線正斜率
=>所以 正常財 不是可能正斜率麼?
--
科目:經濟學概要
問題:
一財貨是正常財,則此財貨的需求曲線
(A)一定是負斜率
(B)若替代效果小於所得效果,則為負斜率
(C)若替代效果大於所得效果,則為負斜率
(D)一定是正斜率
為什麼是A?
我的想法:
正常財:ΔX/ΔM>0
(B)看所得效果 ΔP>0 => ΔM<0 =>ΔX<0 負斜率
(C)替代效果 ΔP>0 => ΔX<0 負斜率
(A)
1.炫耀財 是正常財
2.炫耀財 需求曲線正斜率
=>所以 正常財 不是可能正斜率麼?
--
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經濟
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