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by HWR_14 1271 days ago
Inflation numbers tend to exclude gas because unlike most other things which tend to slowly rise in price, fuel costs are highly erratic. They are excluded because they add more noise than data.

From 2009 to 2010, the price of gas went up by 25%. From 2014 to 2015 it went down by 25%. Do you think the true rate of inflation is measured by either of those numbers.