供需問題 - 經濟
By Poppy
at 2007-12-11T10:42
at 2007-12-11T10:42
Table of Contents
若需求函數:P = 100 – 2Q,則當需求增加20,需求函數為何?
A P = 120 – 2Q
B P = 100 – 40Q
C P = 140 – 2Q
D 以上皆非
答案:C(為什答案不是A?)
若Qd = 100 – 2P,當P由10漲到20,若此時為維持購買力不變,
會購買75單位,則替代效果如何?所得效果又如何?
答案:減少5;減少15
請問怎麼算出?
先在此謝謝各位大大!!
--
期翼我那說不出的話語,
能使你幸福!
--
A P = 120 – 2Q
B P = 100 – 40Q
C P = 140 – 2Q
D 以上皆非
答案:C(為什答案不是A?)
若Qd = 100 – 2P,當P由10漲到20,若此時為維持購買力不變,
會購買75單位,則替代效果如何?所得效果又如何?
答案:減少5;減少15
請問怎麼算出?
先在此謝謝各位大大!!
--
期翼我那說不出的話語,
能使你幸福!
--
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