Definitions for "Price index"
that tracks inflation by measuring price changes. Examples include the Consumer Price Index and the Producer Price Index.
A measure of the average prices of a group of goods relative to a base year. A typical price index for a vector of quantities and prices pb, pg in the base and given years respectively would be = 100 pgq / pbq.
a measure of the average price level in an economy
a single number summarizing price levels
Keywords:  earlier, compares, year, base, number
A number that compares prices in one year with those of some earlier base year.