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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク List of price index formulas ： ウィキペディア英語版 List of price index formulas A number of different formulas, more than hundred, have been proposed as means of calculating price indexes. While price index formulas all use price and possibly quantity data, they aggregate these in different ways. A price index aggregates various combinations of base period prices ($p\_0$), later period prices ($p\_t$), base period quantities ($q\_0$), and later period quantities ($q\_t$). Price index numbers are usually defined either in terms of (actual or hypothetical) expenditures (expenditure = price * quantity) or as different weighted averages of price relatives ($p\_t/p\_0$). These tell the relative change of the price in question. Two of the most commonly used price index formulas were defined by German economists and statisticians Étienne Laspeyres and Hermann Paasche, both around 1875 when investigating price changes in Germany. ==Laspeyres== :$P\_L\; =\; \backslash frac)\})\}$. This compares the price of the old basket of goods $q\_0$ for the old or new prices. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of price index formulas」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.