Effect of Seasonal Adjustment Revisions on Core Finished Goods Prices, Dec 2009 - Jan 2011 Print
February 17, 2011

The producer price of core finished goods rose 0.5 percent in January, and the data for core producer prices now shows three months of accelerating prices after a fall of 0.4 percent in October.  However, the February report on producer prices included revisions to the 2010 seasonal adjustment factors, and the revisions indicate that inflation in this category of goods has been very stable over much of the previous year.

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For more info, read the entire Prices Byte.