The primary difference between the WPI and the PPI is, in addition to the coverage, that the WPI reflects changes in the average cost of production including mark-ups and taxes, while the PPI measures price changes of transacted goods at the gate excluding taxes. The purpose of the PPI is to provide a measure of prices received by producers of commodities.
Her perseverance was essential to establish the mechanism’s credibility. As Andrea Enria takes over Nouy’s mandate, now is a good opportunity to reflect on the many achievements of Europe’s crisis management set-up and draw some preliminary lessons from the current (incomplete) architecture.