本题目来源于试卷: IB Economics Unit 2.4: Microeconomics - Government Intervention,类别为 IB经济学
[单选题]
Which form of governm )*live 77fzyjent intervention is likely to attain the3zcaobu +v9 :1v;ckko4jb8mp highest amount of allocative efficvku:bm 9o;b4z8 cpjc ok31va +iency?
A. Price ceiling
B. Subsidy
C. Consumer nudges
D. Ad valorem indirect tax
参考答案: C
本题详细解析:
C Consumer nudges are typically more allocatively efficient than other forms of government intervention, as they cause consumers to change their behaviour voluntarily. Changes in quantity demanded will therefore be caused by a shift in demand, meaning there will not be a deadweight loss. Choice A is incorrect, as a price ceiling will cause an oversupply of the good. Choices B and D are incorrect as both interventions will create a deadweight loss.
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