財政學問題 - 考試
By Tristan Cohan
at 2013-10-21T21:56
at 2013-10-21T21:56
Table of Contents
想請問施敏老師課本計算範例的兩個問題(因為沒有計算過程所以不知道答案怎麼出來的)
1.俱樂部財(最新版課本P.5-24)
若俱樂部財的個人利益為TB(G,N)=4G的0.5次方減N平方+18N,
個人成本為TC(G,N)=2G/N,則雙重均衡的最適人數(N*)及俱樂部財規模(G*)為何?
ANS:N*=10, G*=100
2.最適投票決(P.6-7)
若某班學生有50人,經由票決方式決議畢業旅行行程,該班決策成本DC(N)=2N+N平方,
外部成本EC(N)=1000-20N,請依據B&T模型決定該班級最適票決通過的人數為多少?
ANS:N=18
不是兩個相加求極小值,應該是極小化"N平方-18N+1000"嗎?這樣N應該=9不是嗎?
多謝大家指教
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