Consumer basket

A market basket or commodity bundle is a fixed list of items, in given proportions, used specifically to track the progress of inflation in an economy or specific market.

The most common type of market basket is the basket of consumer goods used to define the Consumer Price Index (CPI). It is a sample of goods and services, offered at the consumer market.

In the United States, the sample is determined by Consumer Expenditure Surveys conducted by the Bureau of Labor Statistics. The price collection is conducted by data collectors on a monthly basis, and is processed further by commodity specialists.

Examples of categories included in the basket are:

Other types of baskets are used to define the Producer Price Index (PPI), previously known as the Wholesale Price Index (WPI), as well as various commodity price indices.

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