經濟學 - 考試
By Suhail Hany
at 2014-09-29T22:46
at 2014-09-29T22:46
Table of Contents
假設對高級餐飲的需求函數為Q = 1,000-150P + 25I,
式中Q為需求量,P為價格,I為平均每人所得。
在給定平均每人所得為10,000元之下,當餐飲價格為500元時,
其需求的所得彈性為何?
答案是Em=dQ/dM.M/Q=25.10000/176000
想請教前輩們那個25的詳細算法是怎麼算的
小弟初入經濟學 而數學只有到數乙的程度QQ
微分只知道常數微分為零 次方挪下 次方減一 這些概念
問題卡在有P有I 要怎麼微分 還是說是別的概念呢
謝謝:)
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