作者allloved (我想看清)
看板Economics
标题[转录][问题] 个经
时间Fri Oct 26 12:02:47 2007
※ [本文转录自 Grad-ProbAsk 看板]
作者: sbtpc (兄弟象你太强ㄌ) 看板: Grad-ProbAsk
标题: [问题] 个经
时间: Fri Oct 26 11:31:14 2007
1.Consider a competitive industry with several firms all of which have the
same cost function,C(Y)=Y^2+4 for Y>0 and C(0)=0.The demand curve for this
industry is D(P)=50-P,where P is the price. The long run equilibrium number
of firms in this industry is:23
2.Suppose that there are 1000 farms of equal size growing kale,the elasticity
of demand for kale is 2,and the price of kale is $20 a bushel.If one farm
doubles its output while no other farm changes its output,the price of
kale will fall by: 这题忘记选项 但只想知道算法就可
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