經濟學個經題目 - 考試
By Callum
at 2015-01-11T00:17
at 2015-01-11T00:17
Table of Contents
題目:市場僅有ab兩家廠商,市場需求分別為:
Da : Pa=120-4Qa-Qb
Db : Pb=90-4Qa-Qb
成本函數分別為
TCa=20Qa
TCb=12Qb
若a廠商市占率75%
求ab的產量Q?
<中興行銷所100年考題>
解答是用
Qa=3Qb
MRb=90-26Qb = MCb=12 下去算
我想問的是我用120-26Qa=20
也就是第一條下去算為什麼不行?
算出來答案不一樣....
懇請高手解惑,謝謝!
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