Notice regarding the Implementation of the Revised Hedonic Quality Adjustment Method in the Corporate Goods Price Index and the Services Producer Price Index
December 9, 2020
Research and Statistics Department
Bank of Japan
Effective with the releases of the Corporate Goods Price Index and the Services Producer Price Index in December 2020, the Bank of Japan will implement revisions to the hedonic quality adjustment method used in compiling these indexes. The revisions include modifications to the method for estimating hedonic regression models and to the scope of products subject to hedonic quality adjustment.
For details on the revisions, please see the following research paper:
Price Statistics Division, Research and Statistics Department
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