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The Marshall-Edgeworth index, credited to Marshall (1887) and Edgeworth (1925), [11] is a weighted relative of current period to base period sets of prices. This index uses the arithmetic average of the current and based period quantities for weighting. It is considered a pseudo-superlative formula and is symmetric. [12]
In contrast to a cost-of-living index based on the true but unknown utility function, a superlative index number is an index number that can be calculated. [1] Thus, superlative index numbers are used to provide a fairly close approximation to the underlying cost-of-living index number in a wide range of circumstances. [1] Some indexes are not ...
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Mark Doms (Federal Reserve Bank of San Francisco) and Norman Morin (Board of Governors of the Federal Reserve System) (2004 [1]) created indexes based on the number of articles that contain certain keywords and phrases in the title or first paragraph in the thirty largest newspapers across the US. For instance, the "recession index" is based on ...
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In statistics and research design, an index is a composite statistic – a measure of changes in a representative group of individual data points, or in other words, a compound measure that aggregates multiple indicators. [1] [2] Indices – also known as indexes and composite indicators – summarize and rank specific observations. [2]
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The numbers involved might be very large indeed, but this is not a barrier; all that matters is that such numbers can be constructed. In simple terms, Gödel devised a method by which every formula or statement that can be formulated in the system gets a unique number, in such a way that formulas and Gödel numbers can be mechanically converted ...