Statistic to indicate the change in typical household expenditure
"CPI" redirects here. For other uses, see CPI (disambiguation).
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A consumer price index (CPI) is a price index, the price of a weighted average market basket of consumer goods and services purchased by households. Changes in measured CPI track changes in prices over time.[1] The CPI is calculated by using a representative basket of goods and services. The basket is updated periodically to reflect changes in consumer spending habits. The prices of the goods and services in the basket are collected monthly from a sample of retail and service establishments. The prices are then adjusted for changes in quality or features.[citation needed] Changes in the CPI can be used to track inflation over time and to compare inflation rates between different countries. The CPI is not a perfect measure of inflation or the cost of living, but it is a useful tool for tracking these economic indicators. [2]
^"CONSUMER PRICE INDEX". OECD. Retrieved September 13, 2019.
^Frick, Walter (2022-12-23). "What Causes Inflation?". Harvard Business Review. ISSN 0017-8012. Retrieved 2023-07-21.
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