Criticism
Some commentators, including Austrian economists, have criticized the US government's use of hedonic regression in computing its CPI, fearing it can be used to mask the "true" inflation rate and thus lower the interest it must pay on Treasury Inflation-Protected Securities (TIPS) and Social Security cost of living adjustments.
However, the same use of hedonic models when analyzing consumer prices in other countries has shown that non-hedonic methods may misstate inflation over time by failing to take quality changes into account.
Read more about this topic: Hedonic Regression
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