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施敏 · 2021年02月21日

AD

NO.PZ2016010802000098

问题如下:

An increase in the nominal money supply would shift the:

选项:

A.

IS curve and the LM curve.

B.

IS curve and the aggregate demand curve.

C.

LM curve and the aggregate demand curve.

解释:

C is correct.

The LM curve represents combinations of income and the interest rate at which the demand for real money balances equals the supply. For a given price level, an increase in the nominal money supply is also an increase in the real money supply. To increase the demand for real money balances, either the interest must decline or income must increase. Therefore, at each level of the interest rate, income (= expenditure) must increase—a rightward shift of the LM curve. Since the IS curve is downward sloping (higher income requires a lower interest rate), a rightward shift in the LM curve means that the IS and LM curves will intersect at a higher level of aggregate expenditure/income. This implies a higher level of aggregate expenditure at each price level—a rightward shift of the Aggregate Demand curve.

考点:LM曲线

解析:名义货币供给MS以及价格水平P是影响LM曲线平移的两大因素,当货币供给MS增加时,利率r会随之降低,这表现为LM曲线向右平移。

IS曲线的平移只和X-M以及政府支出G,税收T有关。

货币供给量的增加会降低利率,鼓励投资,所AD曲线会向右平移。

所以综合而言,C选项正确。

为什么影响AD呢??
1 个答案

丹丹_品职答疑助手 · 2021年02月21日

嗨,从没放弃的小努力你好:


同学你好,理解了货币供给上升时,LM曲线是右移的,此时与IS的交点显示利率下降,收入上升。根据我们在R14的学习收入上升(理解为capital utilization)的上升会使得是AD曲线右移,基础班课件163

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虽然现在很辛苦,但努力过的感觉真的很好,加油!