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by George Schils.

CPI Estimate from 1913 to 2007

Friday, January 30, 2009

What is the "average" CPI? An analysis of government CPI data from the years 1913 to 2007 produces an "average" yearly percentage cpi increase of 3.34%. This is based on a least squares (exponential) fit to the yearly government CPI data over this time span.

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