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Consumer price index
$1 went a lot further in 1900 than today (you could probably buy a good meal for the family for $1 back then). Why? And how do we measure how much more expensive things have gotten (i.e., inflation)?
Basic understanding of Inflation
The basics of what price inflation is and how the CPI-U is calculated
Looking at actual sequential and year-over-year inflation data
Discussion of inflation, the CPI index and owners' equivalent rent.