Producer price indices volume 2002, Supplement 2
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2.11.2 Index aggregation
Elementary aggregation may directly give local, regional or national indices, i.e., relatively few prices may be combined to give local item indices or a wider spread of prices may be combined to give regional indices or, if regional indices are not published and prices are sufficiently homogeneous, then all prices for an item may be combined at this first stage (weighted if possible) to give a national index. The elementary aggregates obtained above are combined using some kind of index number formula and weights based on expenditure (or population, but this is less desirable). In the case of CPIs, all countries use a Laspeyres formulation – either in the standard or modified form. Table 7: Consumer prices: Index aggregation Elementary aggregation Higher level aggregation Canada GM + some RA Modified Laspeyres Mexico Weighted AR Standard Laspeyres United States GM + weighted AR Modified Laspeyres Australia GM + some RA Modified Laspeyres Japan RA Standard Laspeyres Korea RA Standard Laspeyres New-Zealand RA Standard Laspeyres Austria AR + some RA Standard Laspeyres Belgium RA Standard Laspeyres Czech Republic RA Modified Laspeyres Denmark GM Standard Laspeyres Finland GM Standard Laspeyres France GM + RA for food Chained Laspeyres Germany .. Standard Laspeyres Greece .. Standard Laspeyres Hungary RA Chained Laspeyres Iceland GM Standard Laspeyres Ireland Weighted RA Modified Laspeyres Italy GM Chained Laspeyres Luxembourg .. Standard Laspeyres Netherlands RA Standard Laspeyres 43 Price Indices © 2002 Table 7: Consumer prices: Index aggregation (continued) Download 465.51 Kb. Do'stlaringiz bilan baham: 
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