關於經濟的效用章節問題 - 經濟
By Catherine
at 2013-01-06T13:03
at 2013-01-06T13:03
Table of Contents
: 指的是:這兩個效用函數的「外觀」雖然不同,但「偏好」其實相同
: 因此,若消費者面對相同的商品價格與所得
: 最適解(均衡時)的消費量是一樣的
: 說例:
: u甲 = xy
: u乙 = 2xy + 50
: 因為 u乙 = 2u甲 + 50
補充說明一下,這邊有關「偏好相同」的意思
說例
商品組合 效用水準 消費者對商品的排序
(x,y) u甲 = xy (喜好程度排名)
----------------------------------------------------
A(10,10) u = 100 2
----------------------------------------------------
B(5,5) u = 25 3
----------------------------------------------------
C(10,5) u = 150 1
若兩效用函數為單調遞增轉換
面對相同的商品組合A、B、C
兩人對商品組合的喜好程度排序會相同
商品組合 效用水準 消費者對商品的排序
(x,y) u乙 = 2xy + 50 (喜好程度排名)
----------------------------------------------------
A(10,10) u = 250 2
----------------------------------------------------
B(5,5) u = 100 3
----------------------------------------------------
C(10,5) u = 350 1
以上,希望的你的疑問有所助益
若有錯誤也請不吝指正
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