幫解一題效用函數的作業 - 經濟

Leila avatar
By Leila
at 2011-10-11T00:39

Table of Contents

小弟經濟底子很差

學校出了一題效用函數的題目請各位幫忙解一下

小明的效用函數為U(x.y)=x-1/y,他的所得是30元,若Px=4

Py=1,請問最適消費組合是多少?

我的想法是微分後

Lx=1-4入

Ly=y^-2 *-入

L入=30-4X-Y

但是我真的聯立不出來，也不知道我列的式子有沒有錯

PTT第一篇就獻給經濟版了

請各位幫忙了

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Tags: 經濟

All Comments

Wallis avatar
By Wallis
at 2011-10-14T12:30
不買Y看起來不錯
Callum avatar
By Callum
at 2011-10-15T09:51
(7,2) 可是我算法跟你一樣啊 是我算錯?
Frederica avatar
By Frederica
at 2011-10-15T16:51
三式各自偏微分後等於0？
Linda avatar
By Linda
at 2011-10-18T13:13
Lx=1-4入 是什麼意思?小弟經濟很差 看不懂

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