Current HICP measurement practices produce an upward bias of about one-ninth of a percentage point in German inflation … the euro area HICP. The measurement of the German HICP is impaired by the extrapolation of expenditure weights, and the … consider this source of mismeasurement when assessing the precision of the HICP as a measure of "true" inflation. …

replacement and quality adjustment. Such measures may also help reduce the measurement bias that still exists in the HICP. Overall …, a knowledge gap concerning the exact size of the measurement bias of the HICP remains, which calls for further research … well as the improvements made to this measure of inflation since 2003 – finds that the HICP continues to fulfil the …

measurement in markets with a rapid turnover of models in order to avoid the demonstrated bias …Statistical offices use the matched models method to compile consumer price indices (CPIs) to measure inflation. The … substantial underestimates of inflation. Hedonic indices use the whole sample. They are argued to be more useful to price …