[考試] 課稅之無謂損失
問題: When the size of a tax is doubled, the deadweight loss from the tax
(A)increase by the size of the tax
(B)doubles
(C)remains constant
(D)increases bye four times
我的想法:答案為B,但一直不了解為什麼是選它,
可以請了解的版友解釋原因嗎?
謝謝~~
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