經濟學供需問題 - 考試
By Skylar DavisLinda
at 2014-10-28T16:06
at 2014-10-28T16:06
Table of Contents
問題如下:
已知葡萄柚的市場供給與需求函數分別為 Qs=15+2Pg+0.2Po與
Qd=-4Pg+3.9Po 式中Qs和Qd各為葡萄柚的供給量與需求量
Pg為葡萄柚價格 Po為柳丁價格 以下何者正確?
A.當柳丁價格為6時 葡萄柚的市場均衡價格為1.5
B.當柳丁價格為8時 葡萄柚的市場均衡價格為3
C.當柳丁價格為6時 若政府設葡萄柚的價格上限為1 會產生超額需求1.8
D.當柳丁價格為8時 若政府設葡萄柚的價格上限為2 會產生超額需求2.6
答案是D
請問這題是將答案給的數字代回去式子裡嗎??
感覺應該不是很難的題目 但是就卡住了 請教大家該如何解呢?
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