[問題] 請教一題考題
看板Economics (經濟學)作者Allendd (===== =====凸)時間19年前 (2005/08/11 23:33)推噓1(1推 0噓 1→)留言2則, 2人參與討論串1/2 (看更多)
1. A firm in a competitive market has the poduction function
Y = X1(1/3次方)X2(1/2次方), where Y is the amount of output
and X1 and X2 are the amount of input. The price of the output
is P, and the price of both inputs are 1. In the short run, the
amount of X2 is fixed at 1. To maximize its sort-run profit, the
firm will employ X1(P) = aP(b次方) units of X1, where a and b are
constant. What is the value of b ? (93中興財金)
註:1.第二行的Y是C-DUF函數,因為次方不知如何打 ><
2.第六行的X1(P)表示"X1是P之函數"
3.Ans: b = 2/3
因為想了很久,也翻了不少次書,但是總是掌握不到解題的關鍵,加上或許自己的
觀念不清楚所以在數學操作上也有問題(自己覺得應該是答案的"答案"數字超醜)
,所以想請各位高手幫忙解惑 謝謝<(_ _)>
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