For an analysis we are doing, we'd like to estimate the share of trucking in the New York City-Long Island region that is associated with each industry sector. So I went to Social Accounts, Balance Sheets, Commodity Balance Sheet, selected Truck Transportation Services (3335), and selected Industry Demand. If I divide each industry's dollar input value into the total industry demand I assume I get that industry's share of regional spending on truck transportation services. The industry shares I get from this approach are not intuitive. We have the sense from other surveys that food accounts for about 1/3 of the trucks crossing the Hudson, but it's hard to see from this table that food-related industries account for anywhere near 1/3 of spending on transportation services. Manufacturing industries appear to account for 23% of spending, but our sense is that manufacturing has a much smaller trucking footprint than that. A first question: does truck transportation services capture trucking by company fleets?
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