問題詳情
21. The Laffer curve illustrates that
(A)deadweight loss rises by the square of the increase in a tax.
(B)deadweight loss rises exponentially as a tax increases.
(C)tax revenue first rises, then falls as a tax increases.
(D)Both a) and b) are correct.
參考答案
答案：99
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中