retail price index (RPI)



Official measure of the general level of inflation as reflected in the retail price of a basket of goods and services such as energy, food, gasoline (petrol), housing, household goods, traveling fare, etc. RPI is commonly computed on monthly basis, but an annual rate is also published which serves as a yardstick for adjusting inflation-indexed salaries and wages, tax allowances, and pensions. Several different types of RPI are used for different requirements. A consumer price index (CPI) is a type of RPI.

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