Are the individual county regional commodity table values supposed to sum to the values for state as a whole for each commodity? I have been looking at the New Hampshire tables and have found some discripancies. Most are within 1% or so of the state total but the occasional county sum is significantly different. Is this to be expected? Also, Is it possible to get the trade flow data between counties? I would like to construct a MIRO technical coefficient matrix ala Miller and Blair. Thanks
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