本题目来源于试卷: IB Economics Unit 3.4: Macroeconomics - Monetary Policy & Fiscal Policy，类别为 IB经济学
[单选题]
Which of the following policies would most likely cause the above shift from $AD_1$ to $AD_2$?
A. An increase in the corporate tax rate
B. A change in income tax that makes it more progressive
C. An increase in military spending
D. An increase in welfare payments
参考答案: A
本题详细解析:
An increase in the corporate tax rate will decrease AD by xsv2h8uj4 2egdecreasing investment in the economy.
Choices B and D r8e24 g2hjsvux edistribute income in a way that should increase consumption, as the marginal propensity to consume for lower-income households tends to be higher.
Choice C is wrong, as increasing government spending directly increases AD.
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