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Mix-Ansicht- PPI: ob da wohl zuviel Deflation errechnet wurde? - CRASH_GURU, 30.03.2004, 06:35
PPI: ob da wohl zuviel Deflation errechnet wurde?
-->"The March 18, 2004 release of Producer Price Index (PPI) data for January 2004 contained erroneous January index levels for four commodity index series: All commodities, farm products and processed foods and feeds, industrial commodities, and all commodities except farm products. These index series appear in Table 3 of the PPI News Release and in Tables 6 and 8 of the PPI Detailed Report. They also are available on the BLS website.
The error in calculating January index levels was made in a step that is unique to these four series. The correct January 2004 index levels are 141.0 for all commodities, 136.4 for farm products and processed foods and feeds, 141.9 for industrial commodities, and 142.6 for all commodities except farm products. The published index values for all series other than the four listed above, and for all months other than January 2004, are not affected.
The January 2004 index values for the four affected series now have been removed from the time series database and will not be available in the PPI Detailed Report. In addition, the originally released values for any percent changes involving January 2004 were incorrect for those four series. Those percent change values also will not be available. In the next three monthly releases of PPI data, percent changes from January 2004 to subsequent months will not be available for the four series.
It should be noted that all January PPI data are preliminary and will be revised after four months in accord with the usual PPI policy. When May 2004 data are released, final values for January 2004 will appear for all series levels and percent changes, including those affected by the error described here. At that time, percent change calculations also will be published for periods beginning or ending in January 2004."
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