Gross Exports versus Re-exports in UN COMTRADE
In addition to Gross Exports, UNSD also records a flow called Re-exports (included in exports).
Note: for years, Gross Exports is the sum or Exports and Re-exports. Now, Gross Exports include Re-Exports. Consequently, one need to subtract Re-Exports from Exports to obtain Exports/Net Exports.
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The World Bank, 2010