price index wikipedia - EAS
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A price index (plural: "price indices" or "price indexes") is a normalized average (typically a weighted average) of price relatives for a given class of goods or services in a given region, during a given interval of time. It is a statistic designed to help to compare how these price relatives, taken
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See moreNo clear consensus has emerged on who created the first price index. The earliest reported research in this area came from Welshman Rice Vaughan, who examined price level change in his 1675 book A Discourse of Coin and Coinage.
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See morePrice indices often capture changes in price and quantities for goods and services, but they often fail to account for variation in the quality of goods and services. This could be
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See more• Chance, W.A. "A Note on the Origins of Index Numbers", The Review of Economics and Statistics, Vol. 48, No. 1. (Feb., 1966), pp. 108–10.
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See moreGiven a set of goods and services, the total market value of transactions in in some period would be
where
represents the prevailing price of in period represents the quantity of sold in period
If, across two periods...
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