問題詳情
20 本國某一完全競爭產業中，供給為QS = P，需求為Q D = 20 − P 。本國可自由進口此一商品，世界價格為 4。若本國政府對進口課徵每單位 2 元的關稅，請問福利損失多少？
(A)2
(B)4
(C)8
(D)14
(A)2
(B)4
(C)8
(D)14
參考答案
答案：B
難度：適中0.589041
統計：A(12),B(86),C(20),D(7),E(0)
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