獨占市場的MR怎麼算QQ - 經濟
By Joe
at 2013-12-12T12:20
at 2013-12-12T12:20
Table of Contents
題目: 廠商的成本函數 Ci=0.01qi^2+3qi i=1,2,...,10 10家完全相同的廠商
市場需求函數 Qd=4500-500P
以上是完全競爭市場! 若出現一財團將10家廠商併購成為獨佔市場
求均衡數量及價錢!
P=MCi >>>P=0.02qi+3 >>> qi=50P-150 P>=3
Qs=10(50P-150)=500P-1500 P>=3
MC=0.002Q+3 (MC=市場供給函數)
MR=9-0.004Q ???? 為什麼= =
我算法是這樣子的....如下
MR=d(P*q)/dq=d((0.02qi+3)*qi)=0.04qi+3 = =
令MR=MC 可以求得Q=1000 P=7 所以要算MR!!
不好意思 問題有點多...謝謝><
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市場需求函數 Qd=4500-500P
以上是完全競爭市場! 若出現一財團將10家廠商併購成為獨佔市場
求均衡數量及價錢!
P=MCi >>>P=0.02qi+3 >>> qi=50P-150 P>=3
Qs=10(50P-150)=500P-1500 P>=3
MC=0.002Q+3 (MC=市場供給函數)
MR=9-0.004Q ???? 為什麼= =
我算法是這樣子的....如下
MR=d(P*q)/dq=d((0.02qi+3)*qi)=0.04qi+3 = =
令MR=MC 可以求得Q=1000 P=7 所以要算MR!!
不好意思 問題有點多...謝謝><
--
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經濟
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