個體經濟 - 考試
By Madame
at 2014-03-18T10:30
at 2014-03-18T10:30
Table of Contents
假設效用函數是U=(x^2+y^2)^(1/2) x>0 y>0,則以下何者錯誤
(A)x與 y 的邊際效用都遞增,如果x,y>=1
(B)x愈大,邊際替代率愈大
(C)無異曲線凹向原點
(D)消費者偏好多樣性的消費
Ans:D
疑問:
看完題目 我只知道這函數為齊一次函數(?)但不知道該如何下手解題
請幫忙一下,謝謝!
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