单语范例（未经PONS编辑处理）
Similarly, the Laspeyres index can be thought of as a price index taking the bundle of goods using current prices and base period quantities as the numeraire.
en.wikipedia.org This is a Laspeyres index, because it is base-weighted.
en.wikipedia.org It is argued that Laspeyres index systematically overstates inflation because it does not take into account changes in the quantities consumed that may occur as a response to price changes.
en.wikipedia.org He was the first to use weighted index numbers, and in effect anticipated the Laspeyres index.
en.wikipedia.org A Laspeyres index fixes the basket of goods in a base year.
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