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What is the difference between a price index and a quantity index? - Economics

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Question

What is the difference between a price index and a quantity index?

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Solution

Price Index Quantity Index
1. Price Index Number is calculated by two methods, namely.
  1. Simple Aggregative Method
  2. Simple Average of Price Relative Method
1. Quantity Index Number is calculated by two methods, namely
  1. Weighted Average of Price Relative Method 
  2. Weighted Aggregative Method
2. Price Index number is also known as Unweighted Index Number. 2. Quantity Index Number is also known as Weighted Index Number.
3. Price Index Number takes into account the prices of the commodity of the base year as well as of the current year. 3. Quantity Index takes into consideration the weights of goods assigned according to the quantity.
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Inflation and Index Numbers
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Chapter 8: Index Numbers - Exercise [Page 119]

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NCERT Statistics for Economics [English]
Chapter 8 Index Numbers
Exercise | Q 11. | Page 119
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