Faced with these difficulties, standard practices on the updating of weights for cost-of-goods indices had to be revised.1 1  Eurostat issued new guidelines requiring the national statistical institutes to update the HICP weights for 2021 based on information for 2020, contrary to the standard practice of updating by relying on consumption patterns for the t-2 year.
2  Measuring inflation in the time of Covid 19 Given the difficulties, producers of statistics, including statistical institutes and central banks, proved to be rather creative and resilient. Technology was an ally, notably in allowing staff to work remotely and enabling non-standard ways of gathering information.