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Questions tagged [price-index]

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CPI Bias with consumers using computers extensively

I was studying Microeconomics from Microeconomics by Pindyck and Rubinfeld where it was written that CPI calculated on Laspeyres index has overstated the cost of living for consumers who use computers ...
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18 views

Difficulty Understanding CPI (Consumer Price Index)

Here's a question about CPI in my microeconomics text (Pindyck), which I don't seem to understand: The price of computers has fallen substantially over the past two decades. Use this drop in price ...
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1answer
25 views

Manipulating index numbers

I have a producer price index which is the composite of 9 various commodity prices including that of coal. I want to remove the effects of coal price changes from the original index. I have data on ...
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1answer
84 views

How can I adjust the base year of this price index?

I am given the following data for GDP deflator: 1997: 100.0 1998: 100.8 1999: 102.5 2000: 109.9 2001: 112.5 2002: 115.9 2003: 119.7 2004: 122.1 2005: 126.5 ...and so on. Currently, 1997 is ...
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20 views

Disaggregated price index

im trying to make my own consumer price index using the laspeyres index methology. However im having problems finding the individual prices. However i have the disaggregated cpi components. For ...
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1answer
19 views

What does the sun product of price times quantity divided by average price

I have a very simple question, what is the meaning, if any, of this? I.e. Economically what does the following calculation mean? $$ \left(\frac{(Q1\cdot P1)+(Q2\cdot P2)+(Q3\cdot P3)}{Q1 + Q2 + Q3}\...
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2answers
88 views

Why are Big Macs supposed to cost the same around the world?

The Big Mac index is frequently mentioned in media, but I could never understand how it makes any sense. According to Wiki: The Big Mac Index is published by The Economist as an informal way of ...
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2answers
573 views

What does a stock market index stand for?

I know that a stock market index (like S&P, NIKKEI, etc.) is computed from the prices of selected stocks, but I was wondering why the name of the currency is almost never expressed. For example, ...
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20 views

Can the CPIH be used to find the real terms rise in price of a component of the basket of goods?

I want to calculate the real terms rise in UK private rent prices since 2011 using the CPIH measure. The indexes of nominal rent prices and the CPIH rose by 14.7% and 13.5% respectively, so I can say ...
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1answer
24 views

Daily variable for inflation

I was wondering if there is a way to account for daily inflation data. I have daily short-term interest rates, and I would like to convert them to real short-term interest rates. Can I just average ...
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1answer
28 views

Interpretation of price indices

How can cpi 3.41 and Wpi 3.54 be interpreted? I know that cpi gives the inflation rate but what is it that we understand from these figures?
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1answer
29 views

Measuring quantities for price indices?

I'm confused about how one acquires the data necessary to compute price indices--specifically, how one acquires quantity data. Suppose I wanted to compute the Laspeyres Index, defined as $\sum\...
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1answer
93 views

Difference between chained CPI and normal CPI in simple terms

I am taking a community college level intro to macro course, and while self-studying the text, I came across the concept of C-CPI or chained CPI. While I feel I have a grasp as to what CPI is, I have ...
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Distributing inflation in a hierarchical model

I am trying to distribute inflation in a hierarchical model. In both of the following two scenarios, the Laspeyres' Index over the entire data set is 1.8; However, in the first scenario, the ...
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1answer
36 views

How to calculate price index for natural gas in India?

Ministry of commerce and industry of India doesn't provide WPI index for Natural Gas. Is there a way to calculate the same?
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487 views

Log relative price index - calculation question

I have US CPI prices & Canada CPI prices (where US is my base). I am trying to calculate the 'log relative price index'. Do I log the individual CPI prices first then calculate log Canada CPI/log ...
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1answer
334 views

How to calculate constant GDP in international $ from nominal GDP in local currency units

I want to calculate a constant GDP serie from 1995 till 2014 based on nominal GDP expressed in Yuan (Chinese currency). I already get stuck on how to first make a constant GDP serie based on Yuan, ...