獨買一問!! - 考試
By Belly
at 2014-09-10T09:12
at 2014-09-10T09:12
Table of Contents
[課業] 國考課業相關問題,歷屆考題的討論,如學理觀念的釐清。
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Q: 如果要素獨買者 對兩相互區隔的要素市場採取差別取價,則下列何者正確?
A. 供給彈性越大者,要素價格越高
B. 供給彈性越小者,要素價格越高
C. 供給彈性越大者,要素僱量越多
D. 供給彈性越低者,要素僱量越多
此題答案為 (B)
想法:
π= TRP(N1+N2)-TFC(N1+N2) = TRP(N1+N2)-TFC1(N1)-TFC(N2)
故 Max π => dπ/dN1 = 0 => MR*MP - MFC1(N1) = 0
dπ/dN2 = 0 => MR*MP - MFC2(N2) = 0
=> MFC1(N1) = MFC2(N2)
=> W1*(1 + 1/ε1) = W2*(1 + 1/ε2), ε為供給彈性
=> 所以供給彈性會與要素價格成正比~
不知為何這樣做行不通,
另外,也不清楚為何 C,D 不正確
煩請協助,謝謝
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