Producer Price IndexAlso available in Bobst 6th Floor Reference (L 2.61/11). Formerly called the Wholesale Price Indexes, a monthly report measuring the average change in prices received by commodity producers in all stages of production, from crude goods, to the finished product, by commodity and by industry. These indexes are designed to measure real price changes. An annual supplement presents annual averages, cumulated monthly data for the year, and information on weights.