“base-weighted index”的概念、定义、翻译、参考文献-科学参考

base-weighted index

Statistics

Economics

单词	base-weighted index
释义	base-weighted index Statistics See index number. Economics A weighted average of prices or quantities, where the weights used are the quantities or the prices of the base period. Let p_ij and q_ij be the prices and quantities of N goods, i = 1, 2,…N, in period j. If t is the latest period and 0 the base period, the base-weighted or Laspeyres price index is given by $P_{B} = (Σ_{i} p_{i t} q_{i o}) / (Σ_{i} p_{i o} q_{i o})$ and the base-weighted or Laspeyres quantity index is given by $Q_{B} = (Σ_{i} p_{i o} q_{i t}) / (Σ_{i} p_{i o} q_{i o}) .$
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