Statistician John Williams (shadowstats.com) calls the government’s latest jobs and unemployment reports “nonsense numbers.”
There are a number of ongoing problems with the released numbers. For example, the concurrent-seasonal factor adjustments are unstable. The birth-death model adds non-existent jobs each month that are then taken out in the annual downward benchmark revisions. Williams calculates that the job overstatement through November averages 45,000 monthly. In other words, employment gains during 2012 have been overstated by about 500,000 jobs. Another problem is that each month’s jobs number is boosted by downside revision of the previous month’s jobs number. Williams reports that the 146,000 new jobs reported for November “was after a significant downside revision to October’s reporting. Net of prior-period revisions, November’s seasonally-adjusted monthly gain was 97,000.”
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