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marciaaa · 2022年04月06日

老师您好,请问这里乘以100是initial price index吗

NO.PZ2016010802000133

问题如下:

Assuming the base period for 2010 consumption is November and the initial price index is set at 100, then the inflation rate after calculating the December price index as a Laspeyres index is closest to:

选项:

A.

19.2%.

B.

36.4%.

C.

61.6%.

解释:

A is correct.

The Laspeyres index is calculated with these inputs:

November consumption bundle: 70 × 0.9 + 60 × 0.6 = 99

December consumption bundle: 70 × 1 + 60 × 0.8 = 118

December price index: (118/99) × 100 = 119.19

Inflation rate: (119.19/100) 1 = 0.1919 = 19.19%

考点:Laspeyres index

解析:本题考点较为常规,拉氏指数下,选用基期的消费篮子。

2015年的物价水平为70 × 0.9 + 60 × 0.6 = 99

2016年的物价水平为70 × 1 + 60 × 0.8 = 118

拉氏指数为(118/99) × 100 = 119.19

通货膨胀为(119.19/100) 1 = 0.1919 = 19.19%

老师您好,请问这里乘以100是initial price index吗

1 个答案

笛子_品职助教 · 2022年04月06日

嗨,爱思考的PZer你好:


这个100可以看成是标准化的过程。拉氏指数的公式里就有100。默认base period 价格指数的点位是100

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