On March 28, 2008, the Federal Reserve published revisions to its index of industrial production (IP) and the related measures of capacity and capacity utilization. Although the revision affected the data from January 1972 through February 2008, most of the changes were for the period beginning...

On December 11, 2006, the Federal Reserve published revisions to its index of industrial production and the related measures of capacity and capacity utilization. The revision affected the data from 1972 through October 2006, but the largest changes were for the period beginning in 2003. From...