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  2. Consumer price index - Wikipedia

    en.wikipedia.org/wiki/Consumer_price_index

    A CPI is a statistical estimate constructed using the prices of a sample of representative items whose prices are collected periodically. Sub-indices and sub-sub-indices can be computed for different categories and sub-categories of goods and services, which are combined to produce the overall index with weights reflecting their shares in the total of the consumer expenditures covered by the ...

  3. United States Consumer Price Index - Wikipedia

    en.wikipedia.org/wiki/United_States_Consumer...

    The Consumer Price Index was initiated during World War I, when rapid increases in prices, particularly in shipbuilding centers, made an index essential for calculating cost-of-living adjustments in wages. To provide appropriate weighting patterns for the index, it reflected the relative importance of goods and services purchased in 92 ...

  4. What is the Consumer Price Index (CPI) and why is it useful?

    www.aol.com/finance/consumer-price-index-cpi-why...

    The CPI-U is the most commonly cited index when referring to changes in consumer prices. The Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W), covers approximately 29 ...

  5. Inflation - Wikipedia

    en.wikipedia.org/wiki/Inflation

    The inflation rate is most widely calculated by determining the movement or change in a price index, typically the consumer price index. [48] The inflation rate is the percentage change of a price index over time. The Retail Prices Index is also a measure of inflation that is commonly used in the United Kingdom. It is broader than the CPI and ...

  6. What Does December’s Consumer Price Index Report Mean ... - AOL

    www.aol.com/finance/does-december-consumer-price...

    The first Consumer Price Index (CPI) release of the year showed that inflation is continuing to ease for the sixth consecutive month -- an enormous sigh of relief for both consumers and investors,...

  7. Why Does the Consumer Price Index Matter? - AOL

    www.aol.com/why-does-consumer-price-index...

    Children learn the concept of inflation the first time they're forced to listen to a story about how it once cost a quarter to go to the movies. The price of goods and services increases over time ...

  8. Chained dollars - Wikipedia

    en.wikipedia.org/wiki/Chained_dollars

    Chained dollars, also known as "chained consumer price index" or "chained CPI," is a measure of inflation that takes into account changes in consumer behavior in response to changes in prices. It is used to adjust certain economic variables, such as tax brackets and Social Security payments, for inflation.

  9. Why the Consumer Price Index (CPI) is Important - AOL

    www.aol.com/news/why-consumer-price-index-cpi...

    The Consumer Price Index (CPI) is an economic term you've probably heard before but may not know much about. Broadly speaking, the CPI measures the price of consumer goods and how they're trending.