What is another word for the retail price index?
Pronunciation: [ðə ɹˈiːte͡ɪl pɹˈa͡ɪs ˈɪndɛks] (IPA) 
The retail price index (RPI) is a widely used economic indicator that tracks changes in the prices of goods and services purchased by households in the UK. However, there are several synonyms for RPI that are used interchangeably in various contexts. Some of these include the consumer price index (CPI), the headline inflation rate, inflation, the cost of living index, and the price index. While each of these terms has some differences in its specific definition and usage, they all generally refer to the same concept of measuring changes in the prices of goods and services that consumers pay for, serving as a crucial indicator of the overall health and stability of the economy.
