From the 2008 BLS Study "Addressing Misconceptions About the Consumer Price Index" written by John Greenlees and Robert McClelland, research economists in the BLS Division of Price and Index Number Research:
A number of longstanding myths regarding the Consumer Price Index and its methods of construction continue to circulate; this article attempts to address some of the misconceptions, with an eye toward increasing public understanding of this key economic indicator.
Within the past several years, commentary on the CPI has extended well beyond the circle of economists, statisticians, and public officials. The strongest criticism of BLS methodology has not been concentrated in a single profession, academic discipline, or political group, but comes instead from an array of investment advisers, bloggers, magazine writers, and others in the popular press. Also, whereas in the past the CPI frequently was held to be overstating inflation, recent criticism has focused on supposed downward biases.
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