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WPI vs CPI – All You Need To Know

Wholesale Price Index (WPI) and Consumer Price Index (CPI) are two crucial metrics that help in defining the prices of the goods and services in an economy. Or, we can say both WPI and CPI are taken into account for measuring inflation. Thus, both the terms are often used to convey the same things, but they are very different. Also, when there is a talk about inflation, many don’t have an idea if it is in relation to the WPI or CPI. Therefore, it is very important to understand the difference between WPI vs CPI.

Before we detail the differences WPI vs CPI, let us understand what both these terms mean.

WPI vs CPI – Meaning

WPI suggests the price changes in the wholesale market, or the changes in the price that manufacturers and wholesalers charge. It is the first level reflecting the increase or decrease in the prices. WPI covers goods only, such as fuel and power, primary articles and more.

Consumer Price Index or CPI is an index that measures the average retail price of consumer goods and services. These goods and services range from food items to medical care and transportation. Generally, there are eight categories included in the consumer price index. These categories are – Foods, Beverages, Medical Care and Recreation, Communications, Education, Garment, Transportation, and Housing. CPI is also sometimes referred to as the standard retail price. It helps to actively to pinpoint the inflation and deflation cycle in the economy.

Of the two, WPI is less popular as only a few countries use it. On the other hand, roughly 157 countries use the consumer price index.

WPI vs CPI – Differences

Following are the differences between WPI vs CPI:

What Each Measures?

WPI measures any change (up or down) in the price of goods charged by the whole seller. CPI, on the other hand, measures the change in the retail prices of goods and services, or the price that the end user eventually pays.

Release Date

WPI, usually, releases on a weekly basis, while CPI releases on a monthly basis.

WPI vs CPI

Goods or Services

In the case of the wholesale price index, only goods are taken into account. We have already talked about the items that come under the wholesale price index. Consumer price index, on the other hand, includes both goods and services.

Items included

In the wholesale price index, primary articles, fuel & power and manufactured goods are included. Primary items are both food and non-food items and minerals. Fuel and power include electricity, coal mining, mineral oil and more. Manufactured goods include beverages, tobacco products, wood products, paper products, textiles, basic material, rubber and rubber products etc. The list of manufactured products can be as long as 500 items or even more.

Consumer price index includes about eight categories of products and services such as Education, Recreation, Apparel, Transportation, Food and beverages, housing and medical care. Total number of products in CPI could range from 450 to 460.

Base Year

For the consumer price index, the base or reference year is the calendar year. For WPI, on the other hand, the base or reference year is the financial year.

Stage of Measurement

Wholesale price index measures inflation in the first stage, reflecting the change in the prices of goods charged by the manufacturer or seller. The consumer price index is more about the retail, and therefore, calculates the final stage of inflation.

Importance

WPI is of importance to those who keep track of the wholesale prices. CPI, on the other hand, is of importance to the general public as it keeps them informed about their financial well being.

Final Words

Overall, the consumer price index (CPI) focuses more on inflation and its impact on the entire economy. And, this is the reason it is used more often than the wholesale price index. Government, however, keep a watch on both the metrics to keep inflation under check.1,2

1.
WPI vs CPI: Definition, Differences, Items, Base Year – Paper Tyari. Paper Tyari. [Source]
2.
Wholesale Price Index vs Consumer Price Index – javatpoint. http://javatpoint.com. [Source]
Last updated on : May 22nd, 2020
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