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临江仙 · 2022年11月27日

为什么会upward呢

NO.PZ2017100901000025

问题如下:

A product is part of a price index based on a fixed consumption basket. If, over time, the product’s quality improves while its price stays constant, the measured inflation rate is most likely:

选项:

A.

unaffected.

B.

biased upward.

C.

biased downward.

解释:

B is correct.

As the quality of a product improves, it satisfies peoples needs and wants better. The measured inflation rate is skewed higher than otherwise unless an adjustment is made for the increase in the quality of the good. Even if the goods price had increased over time, the improvements in quality would still bias the measured inflation rate upward.

考点: inflation Measurement

解析:更好质量的产品应该对应更高的价格水平,现在物价水平没有变动,但是质量变好了。

那么经过审慎思考的通胀率( measured inflation rate )就应该上调当前通胀率的数值,以此来反应商品质量的进步。

产品价格不变,质量提升。

就用智能手机的例子,以前6K买nokia,现在6K买iphone。

请教这里inflation如何upward?

1 个答案
已采纳答案

笛子_品职助教 · 2022年11月27日

嗨,从没放弃的小努力你好:


产品价格不变,质量提升,相当于,同质量的商品,产品是降价了。

所以以前花6000元买Nokia,现在花6000元买iPhone,价格没变,通胀为0

但是实际上,现在6000元的iPhone要比以前6000元的Nokia质量更好,但是售价没变,相当于通缩了。


实际是通缩,但是看指标通胀为0,因此是biased upward


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