[問題] 個經 - 經濟

※ [本文轉錄自 Grad-ProbAsk 看板]

作者: sbtpc (兄弟象你太強ㄌ) 看板: Grad-ProbAsk
標題: [問題] 個經
時間: 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: 這題忘記選項 但只想知道算法就可

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