Union Government revises Base Year of WPI to 2011-2012 from 2004-05

May 15, 2017 15:28 IST

The Department of Industrial Policy and Promotion under Union Ministry of Commerce and Industry on 12 May 2017 revised the base year of All-India Wholesale Price Index (WPI) from  2004-05 to  2011-12.

The base year of WPI was revised in order to align it with the base year of other macroeconomic indicators like the Gross Domestic Product (GDP) and Index of Industrial Production (IIP).

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Highlights of the new series of Wholesale Price Index (WPI) with base year 2011-12
• In the revised series, WPI will continue to constitute three Major Groups namely  Primary  Articles, Fuel  &  Power  and  Manufactured Products.
• Increase in number of items from 676 to 697.  In all, 199 new items have been added and 146 old items have been dropped.
• The new series is  more representative with increase in number of quotations from 5482 to 8331, an increase by 2849 quotations (52 per cent).
• Prices used for compilation do not include indirect taxes in  order  to  remove  impact  of  fiscal policy.  This will make  the  new  WPI conceptually closer to ‘Producer Price Index’.
• A new “WPI Food Index” will be compiled to capture the rate of inflation in food items.
• Seasonality of fruits and vegetables has been updated to account for more months as these are now available for longer duration.
• Item level aggregates for new WPI are compiled using Geometric Mean (GM) following international best practice and as is currently used for compilation of All India CPI.
• A high level Technical Review Committee has been set up for the first time to carry out dynamic review process in order to keep pace with the changing structure of the economy.
• A new “Food  Index” is being  compiled combining  the  Food  Articles under Primary  Articles and  Food  Products  under Manufactured Products.

Major changes in weights, number of items and quotations

Major Group

 

Weights

 

No. of Items

 

No. of

Quotations

 

2004-05

2011-12

2004-05

2011-12

2004-05

2011-12

ALL COMMODITIES

100.00

100.00

676

697

5482

8331

PRIMARY ARTICLES

20.12

22.62

102

117

579

983

FUEL & POWER

14.91

13.15

19

16

72

442

MANUFACTURED PRODUCTS

 

64.97

 

64.23

 

555

 

564

 

4831

 

6906

Major differences between WPI (2004-05) with WPI (2011-12)
• The item basket has been revised with inclusion of new items and exclusion of old ones. Basket of commodities has been selected afresh  in  order  to  capture  the  structural  changes that  have occurred in the economy.
• The number of 2 digit groups in Manufactured products has been increased from 12 to 22 in keeping with NIC- 2008.
• Item level prices do not include indirect taxes. Item level indices are compiled using geometric mean (GM) whereas in the 2004-05 series, arithmetic mean (AM) was used.
• The electricity sector is now a single item group that includes data relating to average rate of sale of power by generating stations to distributors. In contrast, in WPI (2004-05), retail level tariffs applicable to  different   sectors  were used for compilation of WPI for electricity.

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Read more Current Affairs on: Base Year of WPI , Wholesale Price Index , India

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