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]
In an open economy, d to r021ntgr4the goe i;:bod/ l mr5fkq//qzqkx**36 vijgvernment reduces corporate profit tax and the currency deprekq q/6bde r im*og5z kj:/ilv3q/ ;f*xciates. State the impact on aggregate demand (AD) and long-run aggregate supply (LRAS)
A. AD is Increases,LRAS is Increases
B. AD is Increases,LRAS is No Change
C. AD is Increases,LRAS is Decreases
D. AD is No Change,LRAS is Increases
参考答案: B
本题详细解析:
AD increases when a component o vjf gc4s7eo6 6vza6x1f AD increases:
AD=C+I+G+(X−M)
investment (I) incr1j 6fo6cvsz vx 7g4a6eeases if taxes on corporate profit are reduced because firms are incentivised to expand
net exports (X - M) increase when the currency depreciates because exports become cheaper and imports become more expensive
LRAS is determined by the quantity and quality of factors of production, so government taxes and the value of the currency do not affect it.
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