經濟學Slutsky方程 - 考試

By Dora
at 2013-03-18T18:43
at 2013-03-18T18:43
Table of Contents
以前補黃金聲老師的經濟學面授時,
上課做的筆記,不過現在來看卻有點疑問,
不知道是不是我有抄錯什麼東西,
想請問下面問題:(麻煩大家點圖了,因為不會用BBS打方程式)
http://i.imgur.com/VpjjB87.jpg
我想問的是為什麼相減後△Px會變負的
如果X價格是變便宜,那新的I'應該減少不是嗎?
那這樣相減兩邊的符號應該都是正的,怎麼會出現負號呢?
不知道我哪裡想錯了
先謝謝大家了<(_ _)>
--
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考試
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