Which economic indicator measures the change in prices of specific goods and services over time?

A. Price change rate

B. Consumer price schedule

C. Consumer price index

A. Consumer price index measures the change in prices of specific good and services over time. The consumer price index (CPI) is an estimate of prices that are collected periodically that represent the item/goods. CPI is based on the overall cost of a fixed basket of goods a typical costumer would buy rather then the same basket in the year.