Simplified: Disaggregation is used to determine which specific products or services will be included in the PPI after a firm is selected and agrees to participate
Simplified: Producers are usually selected for the survey using systematic sampling from a listing of all firms that file with the Unemployment Insurance System
Simplified: PPIs are published for almost all industries in the goods-producing sectors of the U.S. economy PPIs are available for slightly less than three-quarte...
Simplified: Movements of price indexes are usually expressed as percent changes rather than index point changes because index point changes are affected by the le...