Important The Consumer Price Index (CPI) is useful for both sellers and buyers to agree on incremental changes in negotiating the price for a long-term contract.

Discover what the Consumer Price Index (CPI) is, how it measures inflation, and its impact on investing decisions, financial markets, and the economy.

Learn about the Consumer Price Index (CPI), how it measures inflation, affects your purchasing power, and its significance in economic decision-making.

The Consumer Price Index (CPI) can affirm your feelings and reactions. It measures price movement on hundreds of products and services over a given period of time, from months to years.