103年 地特三 經濟學 - 考試
By Jake
at 2016-12-06T20:10
at 2016-12-06T20:10
Table of Contents
不完全是考試題目，算是延伸題...
假設Z財的市場需求是Qz=Pz^-1.2*I^-0.8*Px^0.5，徐喬老師說Ezx(需求交叉彈性)看Px的
指數(0.5)就是答案，我不太懂，想用公式(Ezx=dQz/dPx*Px/Qz)算也算不出來，請教大神
這結論是如何算出來的？ 感謝
--
假設Z財的市場需求是Qz=Pz^-1.2*I^-0.8*Px^0.5，徐喬老師說Ezx(需求交叉彈性)看Px的
指數(0.5)就是答案，我不太懂，想用公式(Ezx=dQz/dPx*Px/Qz)算也算不出來，請教大神
這結論是如何算出來的？ 感謝
--
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