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Frequently Asked Questions

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Is there a table that lists all the concordance codes (SIC, I-O, and NAICS)?
How can I tell which industries belong to which classification?
What is the difference between 2, 3, 4, 5, and 6-digit NAICS codes?
Where can I get the 1997 Capital Flow Table?
How can I access archived Benchmark I-O tables?
When analyzing regional performance, should I use current or real (chained-dollar) GDP by state?

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