The calculation of the industrial production index is based on the monthly industrial production survey and value added tax declarations.
In the regions affected by the earthquake, force majeure was declared and VAT declarations were postponed. The response rate for the monthly industrial production survey in these regions was 38 per cent.
For this reason, alternative data sources such as e-invoice and e-archive invoice data were used to impute missing observations in the January calculations, an official release said.
ALCHEMPro News Desk (DS)
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