David Kipre


The consumer price index or CPI (in English, Consumer Price Index or CPI ) measures the evolution of the average level of prices of goods and services consumed by households, weighted by their share in average household consumption . The index (105 for example) makes it possible to measure inflation (or deflation in the event of a fall in prices) over a period (here + 5% rise in prices) and therefore the evolution of the value of the currency ( the value of money decreases when prices increase). The (annual) rate of inflation generally refers, when the index is not specified, to the percentage increase of that particular index (CPI) over a year.

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