Economic Definition of CPI-U. Defined.
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Term CPI-U Definition: The abbreviation for the Consumer Price Index for All Urban Consumers, which is the official name and designation for the Consumer Price Index that's commonly reported in the media. Because it is THE standard, it usually goes by the shorted abbreviation CPI. You might want to compare the CPI-U with the CPI-W, the Consumer Price Index for Urban Wage Earners and Clerical Workers.The CPI-U was introduced in 1978 by the Bureau of Labor Statistics to address some of the deficiencies in the existing consumer price index, which now has the designation of CPI-W.