Hi. I'm trying to better understanding how IMPLAN handles earnings by commuters. For concreteness, I'm looking at three models (all 2015): a national model, a model consisting of the District of Columbia, and a model of the 50 US states. My basic understanding is that commuters are accounted for through trade rows in the employee compensation column of the Social Accounting Matrix, although it's possible even my basic understanding is wrong; if so, please correct me. If I go to the SAM, in the national model, there's about $22 billion of foreign imports and $0 of domestic imports in the employee compensation column, out of a total of $9.7 trillion. In the DC model, there's $0 of foreign imports and $48 billion of domestic imports, out of $88 billion total (which makes sense since DC has a lot of commuters and is far from national borders). But in the 50 state model, there's $0 of foreign trade and $0 of domestic trade out of $9.6 trillion total. Could you please explain how earnings by (wages earned by) commuters are handled in IMPLAN models? Thanks!
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