Quantity and Weight Data in UN Comtrade
UN Comtrade background paper by Matthias Reister and Markie Muryawan
Created Oct. 2009 Updated Nov.2019
This paper informs how the quantity and weight information reported by countries is standardized and, where necessary and possible, estimated in order to provide users with comparable and as comprehensive as possible information on the supplementary quantity and net weight.
The specific methodology used by UNSD on compiling standard unit values (SUV) is explained on in the attached Report on Standard Unit Values, 2007. These SUVs are being used in the processing of data to estimate non-match/missing quantity information.
2019: ITC, FAO, and UNSD are embarking in on a project to harmonize outliers' detection and quantity estimation methodologies.
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| name | Report on Std Unit Values 2007.pdf |
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| name | UN Comtrade - Standard Unit Value 2000-2015 - 22 Jun 2016.zip |
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| name | UNSD Method trade_data_processing_v6 - 17 Jun 2019.pdf |
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| name | Quantity and Weight information in UN Comtrade (October 2009).doc |
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