The BLS reports that 10,000 PPIs for individual products and groups of products are released every month. Important Until 1978, the PPI was known as the Wholesale Price Index (WPI). In 1982, the BLS reset all PPI bases to 100, and this event became the base year. ...
Measuring change in trade and transport margins using WPI and CPI Consumer Price Indices to examine whether slight increase in transportation cost or price rise in wholesale market leads to exponential increase in retail ... Kumar, Ashish,Sinha, Dilip Kumar 被引量: 1发表: 2014年 ...