单词 | base-weighted index |
释义 | base-weighted index A weighted average of prices or quantities, where the weights used are the quantities or the prices of the base period. Where pij and qij are the prices and quantities of N goods, i = 1, 2, … N, in period j, and t labels the latest period and 0 the base period, the base-weighted or Laspeyres price index is given by PB = (∑i pit qi0)/(∑i pi0 qi0 ) and the base-weighted or Laspeyres quantity index is given by QB = (∑i pi0 qit )/(∑i pi0 qi0 ). |
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