I'm trying to understand how the output per worker is derived in the construction sector and reconcile it with other ways of estimating it. From the V2 documentation and just looking at the numbers, it appears that your estimates of employment are based on BEA's estimates. For New Jersey, which is what I'm looking at, you have construction employment of 265,630, compared with BEA's 251,786 in 2008. However, the 2007 Economic Census gives a total of 178,290, the Census' County Business Patterns in 2008 gives 172,004, and the BLS' QCEW gives 166,183. I assume that Differences between the latter three can be explained by timing or minor methodological differences. But your number and BEA's, which are relatively close, are quite different from these last three. What accounts for the difference? Also, the V2 documentation mentions that "state level construction values are combined with output-per-worker estimates and earnings-per-worker estimates derived from the current national input-output study to form a set of employment and earnings estimates for each state." Has the methodology changed? The national model has output per worker of $138,121 in sector 36, compared with $154,436 in New Jersey. Thanks.
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