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The consumer price index for urban wage earners and clerical workers (CPI-W) is a continuation of the historical index that was introduced after World War I for use in wage negotiation. [23] As new uses were developed for the CPI, the need for a broader and more representative index became apparent.
The CPI rose 0.8% in February compared to January after increasing by 0.6% during the prior month. A surge in energy prices was one of the key contributors to the latest red-hot CPI print.
Inflation has fallen sharply since it peaked at 7% in mid-2022, according to the Fed's preferred measure. Yet yearly core inflation has fluctuated between 2.6% and 2.8% since February.
Excluding shelter, the CPI was up 1.7% for the 12 months ended in July, according to BLS data. Energy prices (notably gasoline), which had served as a drag on the May and June CPI, were flat for July.
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 ...
The C-CPI-U tries to mitigate the substitution bias that is encountered in CPI-W and CPI-U by employing a Tornqvist formula and utilizing expenditure data in adjacent time periods in order to reflect the effect of any substitution that consumers make across item categories in response to changes in relative prices. The new measure, called a ...
The consumer price index rose 0.2% in October for the fourth straight month, the Labor Department's Bureau of Labor Statistics said, and advanced 2.6% on an annual basis.
The United States Chained Consumer Price Index (C-CPI-U), also known as chain-weighted CPI or chain-linked CPI is a time series measure of price levels of consumer goods and services created by the Bureau of Labor Statistics as an alternative to the US Consumer Price Index. It is based on the idea that when prices of different goods change at ...