Every month we get new data on the labor market in the US from the Bureau of Labor Statistics. As I pointed out last month, the labor market data from 2023 was very good!
But lately on social media, some have been to ask whether this data is credible. Specifically, several people have pointed out that the initial numbers we receive each month almost always seem to be revised downward. Since the initial reports are based on incomplete data (for the jobs data, this would be reports from employers), it is normal that there would be some revisions with more complete data.
But for 9 of the first 10 months in 2023, the revisions were downward (and even July was first revised down, only to be revised up later). And November has already been revised down once. This pattern seems a bit suspicious, as we would normally expect these errors to be somewhat random, and indeed the last time the revisions have mostly been downward was in 2008 (which was a very different year, since it was a year of job losses, not gains as in 2023).
So what’s going on?
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