The consumer price index is a key measure of inflation. The CPI measures how quickly prices change in specific categories of consumer goods and services. Categories like housing, health insurance, and technology have idiosyncrasies that make inflation difficult to measure. Their inflation data may not reflect reality for consumers. Richard Newstead | Moment | Getty Images Housing is perhaps the most important category in the consumer price index, a key barometer of inflation. Housing is the largest expense for the average American family. The “shelter” category that measures costs for…
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