| Sumario: | The consumer price index (CPI) is undergoing a revision. To maintain the accuracy of the CPI, the principal source of information concerning trends in consumer prices and inflation in the United States, an updating of the index is undertaken about every ten years. The most basic and visible activity in each of these CPI revisions is the introduction of a new “market basket” or set of expenditure weights attached to the categories of goods and services that comprise the CPI. The projects and changes encompassed in the present revision, planned to be completed over a six-year period ending in 2000, range from reselecting areas, items, and outlets to new systems for data collection and processing. A general description of those projects and changes is presented.
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