Fisher ideal price index
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- The geometric mean of the Laspeyres and Paasche price indexes. The Fisher index is superior to either the Laspeyres or the Paasche index if the structure of relative prices in the economy changes between the base period and the current period.
Bureau of Economic Analysis - Cite This Source - This Definition - Base period, Chained-type index, Laspeyres, Laspeyres price index, Paasche, Paasche price index