| 单词 | weights in index numbers |
| 释义 | weights in index numbers The relative importance attached to various components entering into any index number. The weights are thus chosen according to the purpose for which it is expected that an index number will be used. The weights in a consumer price index, for example, are chosen so that the bundle of goods and services whose prices are measured corresponds to what an average consumer would buy. These weights are based on surveys: for base-weighted index or Laspeyres indices the weights are derived from surveys conducted during the base period; in current-weighted index or Paasche index numbers the weights are based on surveys conducted as near the present as possible. |
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