Linked from
The 14 pages that link to Consumer price index, each with the reason it gives.
InflationRelated: It is a common way to estimate inflation faced by consumers.
Inflation TargetingRelated: Many central banks specify their target using a consumer-price index.
DeflationRelated: Its changes are commonly used to identify deflation in consumer prices.
Real wageRelated: It is commonly used to adjust nominal wages for inflation.
Living wageRelated: It tracks price changes that can erode a wage benchmark’s purchasing power.
Purchasing powerRelated: Its price changes estimate shifts in the purchasing power of money.
Poverty thresholdRelated: Price indexes are used to update some thresholds for inflation.