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@_@ · 2021年02月10日

老师，短期和长期总供给曲线来看

  1. CFA I
  2. Economics Analysis

NO.PZ2018062003000114

问题如下：

A client has asked you to explain the differences between potential GDP and real GDP:

选项：

A.

Growth in potential GDP measures how rapidly the total economy is expanding.

B.

If real GDP is below potential GDP, the aggregate price level has downward pressure.

C.

If real GDP is below potential GDP, the aggregate price level tends to rise.

解释：

B is correct.

Growth in real GDP measures how rapidly the total economy is expanding. If real GDP is below potential GDP, the aggregate price level has downward pressure. If real GDP is above potential GDP, the aggregate price level has upward pressure.

考点：potential GDP

解析：是真实GDP而非potential GDP 能够准确衡量一国GDP的增长情况，所以A选项不入选。

如果当前真实GDP小于potential GDP ，表明该国当前经济不景气，物价就可能面临下行压力，所以B选项正确，而C选项错误。

短期as是倾斜向上的并且低于长期AS曲线的，应该选C啊

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丹丹_品职答疑助手 · 2021年02月11日

嗨，爱思考的PZer你好：


同学你好，我们讨论potential GDP 和real GDP 关系时需要结合长期as。

When the level of GDP in the economy is below potential GDP, such a recessionary situation exerts downward pressure on the aggregate price level.如果当前真实GDP小于potential GDP ，表明该国当前经济存在衰退迹象，物价就可能面临下行压力
When the level of GDP is above potential GDP, such an overheated situation
puts upward pressure on the aggregate price level.如果当前真实GDP大于potential GDP ，表明该国当前经济存在过热迹象，物价就可能面临上行压力

也可以简单把选项B作为小知识点记忆。


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