財政學 外部性理論 - 考試

By Irma
at 2014-09-21T13:12
at 2014-09-21T13:12
Table of Contents
出自:2014財政學 攻佔國考江山精選題庫 P.147
題目:假設市場需求曲線為 P=100/Q,若獨佔廠商成本函數為 TC=15Q
因生產過程汙染所產生邊際外部成本 MEC=Q
則以下產出水準所產生的社會福利損失最小?
(A)Q=2 (B)Q=4 (C)Q=8 (D)Q=0
答案:B
想法:MR=MC求社會最適產量
但是MR=-100/Q平方,MC=16
然後就不知該如何解下去了,希望有好心人解答,謝謝
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