96身障經濟 - 考試
By Kama
at 2013-07-28T01:52
at 2013-07-28T01:52
Table of Contents
已知國內蒜頭的市場需求為Q=30-0.5p 供給為Q=-6+p 其價格與數量單位皆為萬
現若政府自國外進口3萬公斤的蒜頭以降低國內售價 則國內蒜農的總收益將會如何改變
Ans 減少80萬
這題我是先算出原始價格與數量為 p=21 q=18 TR=24*18=432
政府自國外進口3萬公斤-----供給變為Q=-6+p+3 Q=-3+p
再跟Q=30-0.5p 解出 數量與價格變更為 p=22 q=19 TR=22*19=418
減少432-418=14萬
請幫忙協助這題怎算 TKS
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