效用函數一問 - 經濟

By Hedda
at 2012-08-23T20:10
at 2012-08-23T20:10
Table of Contents
有一效用函數長這樣: U=XY^4
他的MUx函數應該就是dU/dX=Y^4吧
那MUx是遞增,遞減還是固定呢?
答案是遞增
為什麼不是固定阿?
請大家幫忙解答,謝謝!!
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