There are strong indications that actual consumer inflation in the euro area is understated by official price measures. The exclusion of homeowner shelter costs and inadequate quality adjustments for certain basket items are among the reasons for a potential downward bias in Eurostat's Harmonised Index of Consumer Prices, which would have widespread ramifications not only for consumers but also for the broader economy and financial markets. By focusing on the HICP as a yardstick for its primary objective of medium-term price stability, the European Central Bank relies on a too narrowly defined and error-prone inflation concept.
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