consumer price index (CPI)

Definition

Measure of changes in the purchasing-power of a currency and the rate of inflation. CPI expresses the current prices of a 'basket' of goods and services in terms of the prices during the same period in a previous year, to show effect of inflation on purchasing power. Also called cost of living index (COLI), it is one of the best known lagging indicators. See also producer price index.


consumer price index (CPI) is...

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