- is a measure estimating the average price of consumer goods and services purchased by households.
- the percent change in the CPI is a measure estimating inflation.
- also known as cost of living index.
- such an index would show how consumer expenditure would have to move to compensate for price changes so as to allow consumers to maintain a constant standard of living.
FORMULA FOR CALCULATING THE INFLATION:
Example:
The formula for calculating the Inflation Rate looks like this:
Inflation Rate = ((B - A) / A) * 100
Lets assume for simplicity,
At 2008, the CPI was 180 and today the CPI is 168, the calculation will be:
Inflation Rate = ((180 – 168) / 168) * 100
= (12 / 168) * 100
= 0.07143 * 100
= 7.14 %
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