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The annual percent change in the US Consumer Price Index for All Urban Consumers is one of the most common metrics for price inflation in the United States. The United States Consumer Price Index (CPI) is a family of various consumer price indices published monthly by the United States Bureau of Labor Statistics (BLS). The most commonly used ...
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 Consumer Price Index for All Urban Consumers (CPI-U), which covers about 93 percent of the U.S. population, excluding those living in remote rural areas, farm households, institutions, or on ...
The most common type of market basket is the basket of consumer goods used to define the Consumer Price Index (CPI), often called the consumer basket. It is a sample of goods and services, offered at the consumer market. In the United States, the sample is determined by Consumer Expenditure Surveys conducted by the Bureau of Labor Statistics. [1]
For example, the elderly consume roughly double the medical care of all urban consumers (studied for CPI-U and C-CPI-U) and urban wage earners and clerical workers (for CPI-W); inflation in medical care has exceeded that in much of the rest of the economy. To adjust for this, the BLS computes a consumer price index for the elderly (CPI-E). [16]
The overlap method uses prices collected for both items in both time periods, t and t+1. The price relative P ( N ) t + 1 {\displaystyle {P(N)_{t+1}}} / P ( N ) t {\displaystyle {P(N)_{t}}} is used. The direct comparison method assumes that the difference in the price of the two items is not due to quality change, so the entire price difference ...
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 ...
One important use of the survey is for the periodic revision of the Bureau of Labor Statistics’ Consumer Price Index (CPI). The Bureau uses survey results to select new market baskets of goods and services for the CPI every two years, to determine the relative importance of CPI components, and to derive new cost weights for the market baskets ...