Hi, I am getting an error message when creating a new model using 2009 PA county IMPLAN files. I get a message that says "The Trade Data is not available." When I click OK, it says "The Trade Flows data cannot be located, do you want to use Econometric RPC?". Using Econometric RPC, however, does not allow me to do a multi-regional analysis, which is essential for my current project. Please advise.
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