Base period
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- The period from which the weights for a measurement series are derived. The national income and product accounts (NIPAs) currently use the year 2000 as the base period. Related terms: Chained-dollar estimate, Laspeyres price index, Paasche price index.
Bureau of Economic Analysis - Cite This Source - This Definition - Chained-type index, Fisher ideal price index, Laspeyres, Laspeyres price index, Paasche, Paasche price index