財政學-福利經濟 - 考試
By William
at 2015-03-09T02:14
at 2015-03-09T02:14
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。
97身障三
在福利經濟學一般均衡分析中,有A、B二人,X、Y二財貨,K、L二投入要素,
如Y財貨是獨占市場,其餘均為完全競爭市場,則下列哪一個式子不成立?
(A) MRSa(x,y)=MRSb(x,y)
(B) MRTSx(L,K)=MRTSy(L,K)
(C) MRS(x,y)=MRT(x,y)
(D) MRT(x,y)=Px/Py
答案:(C)
因為Y獨占,Py>MCy
MRS(x,y)=Px/Py
MRT(x,y)=MCx/MCy
所以 MRS(x,y)<MRT(x,y) ,所以c不正確
但既然如此,為什麼d是正確的呢?
98薦升有一題類似的,也是搞不懂,拜託各位了
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