關於「price index公式」標籤，搜尋引擎有相關的訊息討論：

Consumer Price Index (CPI) Explained: What It Is and How It's Usedwww.investopedia.com › Economy › Economics[PDF] 消費者物價指數簡介 - 中華民國統計資訊網www.stat.gov.tw › public › DataConsumer Price Index Frequently Asked Questionswww.bls.gov › cpi › questions-and-answersConsumer Price Index Sum