Monthly Archives: September 2011

The CPI, and Some Key Components

A perennial topic of discussion is the deficiencies of the CPI in measuring the things that are important to “real people”. I actually believe that there is a point to some of these critiques. In particular, we know the CPI is “plutocratic” in that the weights associated with the CPI bundle are consistent with the expenditure shares of a household somewhere in the 4th income quintile. [1] [2] However, I think that other critiques — namely that food, health, and transportation, are missed — are misguided.

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