本题目来源于试卷: IB Economics Unit 3.1: Macroeconomics - Economic Output, AD & AS，类别为 IB经济学
[单选题]
Identify which of the following will cause the shift from $SRAS_1$ to $SRAS_2$ in the diagram above
I. Increase in interest rates
II. Lower consumer confidence
III. Increase in costs of factors of production
IV.Increase in indirect taxes
A. I and II only
B. I and III only
C. II and IV only
D. III and IV only
参考答案: D
本题详细解析:
Statement I is incorrect because an inc/am;zx6i8ac k14mt upqx,z 23rlgxf -rease in interest rates will lead to higher borrowing costs and a higher reward for saving, resulting in decreased investment expenditure and consumption, thus decreasing AD, not SRAS.
Statement II is incorrect because lower consumer confide14xiz/3 c - x,ftrg zqukx;8a 6pa2mlmnce will lead to lower consumption expenditure and decreased AD, not SRAS.
Statement III is correct because higher costs of production across the economy will shift the SRAS curve to the left.
Statement IV is correct because an increase in indirect taxes will also raise the costs of production for businesses and thus shift SRAS to the left.
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