ppt on wpi cpi
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Whole sale price index &consumer price index
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WHOLE SALE PRICE INDEX (WPI) Wholesale price index ( WPI) is designed to measure the change of price in the primary and wholesale markets.
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THE CONSUMER PRICE INDEX•The consumer price index (CPI) is a
measure of the overall cost of the goods and services bought by a typical consumer.
•The Bureau of Labor Statistics reports the CPI each month.
•It is used to monitor changes in the cost of living over time.
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Consumer Price Index•“ Consumer Price Index is the main
measure of price changes at the retail level. It measures changes in the cost of buying a representative fixed basket of goods and services and is generally accepted as a measure of inflation in the country”.
•When the CPI rises, the typical family has to spend more dollars to maintain the same standard of living.
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Limitation of CPI1) Coverage is limited2) Only covers Urban Centres3) Prices may have different trend in
rural & urban centres.4) Rent is computed through
construction input items index instead of rent survey.
5) It measures partially inflation not total consumer’s expenditure.
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Why Two Types of Indices?•CPI measures Inflation rate in the
country•WPI measures the General Price level in
the whole sale market.
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WHAT CPI MEASURES?•It measures Price changes of fixed
market basket of goods and services of constant quality and quantity.
•It tells how much cost of living has risen or fallen due to price changes irrespective of changes in consumer behaviour or quality of goods.
•It does not reflect the cost of living or in house hold consumption expenditure as such but only the influence of price fluctuation on the trend.
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Selection of Markets/Outlets and Cities•Items are selected on the basis of Family
Budget Survey •Markets are selected through retail and
wholesale trade survey.•Outlets are selected on transaction value
basis.•Cities are selected on population basis•Stratified sampling are used for
selection of cities.
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How the Consumer Price Index Is Calculated•Fix the Basket: Determine what prices
are most important to the typical consumer.▫The Bureau of Labor Statistics (BLS)
identifies a market basket of goods and services the typical consumer buys.
▫The BLS conducts monthly consumer surveys to set the weights for the prices of those goods and services.
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How the Consumer Price Index Is Calculated•Find the Prices: Find the prices of each of
the goods and services in the basket for each point in time.
•Compute the Basket’s Cost: Use the data on prices to calculate the cost of the basket of goods and services at different times.
•Compute the inflation rate: The inflation rate is the percentage change in the price index from the preceding period
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How the Consumer Price Index Is Calculated• Choose a Base Year and Compute the Choose a Base Year and Compute the
Index:Index: ▫Designate one year as the base year,
making it the benchmark against which other years are compared.
▫Compute the index by dividing the price of the basket in one year by the price in the base year and multiplying by 100.
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How the Consumer Price Index Is Calculated•The Inflation Rate
▫The inflation rate is calculated as follows:In fla tio n R ate in Y e ar 2 = C P I in Y ea r 2 - C P I in Y ea r 1
C P I in Y ea r 1 1 00
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Table 1 Calculating the Consumer Price Index and the Inflation Rate: An Example
Copyright©2004 South-Western
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Table 1 Calculating the Consumer Price Index and the Inflation Rate: An Example
Copyright©2004 South-Western
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Table 1 Calculating the Consumer Price Index and the Inflation Rate: An Example
Copyright©2004 South-Western
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Table 1 Calculating the Consumer Price Index and the Inflation Rate: An Example
Copyright©2004 South-Western
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Table 1 Calculating the Consumer Price Index and the Inflation Rate: An Example
Copyright©2004 South-Western
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How the Consumer Price Index Is Calculated•Calculating the Consumer Price Index and
the Inflation Rate: Another Example▫Base Year is 2002.▫Basket of goods in 2002 costs $1,200.▫The same basket in 2004 costs $1,236.▫CPI = ($1,236/$1,200) 100 = 103.▫Prices increased 3 percent between 2002
and 2004.
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FYI: What’s in the CPI’s Basket?
16%Food andbeverages
17%Transportation
Medical care
6%
Recreation
6%
Apparel
4%
Other goodsand services
4%
41%Housing
6%Education and communication
Copyright©2004 South-Western
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