The consistency with Commodity Flow Survey data

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    ScottL
    The inconsistency would likely come from our estimate of total commodity supply and the CFS data. You will have to adjust one or the other. There is an issue with using CFS straight out as trade flows. The CFS data is about the movement of goods regardless of where the goods are manufactured. You will likely see large flows of goods in port areas but relatively less actual production of commodities in that area.
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    zhaomiyuan
    But will this inconsistency affect the use of IO relationships? If adjust the IMPLAN total commodity supplies, the outputs of each industry is actually changing simultaneously. The transaction values between any two industries needs to be adjusted proportionally. Such proportionality can be assumed to be the IO relationships.
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    ScottL
    No it should not affect the relationships.
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