Consumer Price Index (CPI)

A measure that examines the weighted average of prices of a basket of consumer goods and services, such as transportation, food, and medical care. It is calculated by taking price changes for each item in the predetermined basket of goods and averaging them.

Historical CPI Data for the US

The Consumer Price Index (CPI) is a measure of the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services. Indexes are available for the U.S. and various geographic areas. Average price data for select utility, automotive fuel, and food items are also available.

Episode 222: The Price of Lettuce In Brooklyn - Planet Money

On this episode we explore what goes into creating the CPI.

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