A question for #EconTwitter #Trade #ValueChain #GVC experts:

#COMTRADE/BACI and similar data sources have detailed product-level data. Is there any source or paper that tries to link these product codes with each other?

Theoretically, there should be some hierarchy in there. In… https://twitter.com/i/web/status/1642277506462932994

A question for #EconTwitter #Trade #ValueChain #GVC experts:

#COMTRADE/BACI and similar data sources have detailed product-level data. Is there any source or paper that tries to link these product codes with each other?

Theoretically, there should be some hierarchy in there. In… https://twitter.com/i/web/status/1642276531341803522

How to use the new UN Comtrade API in R. Easy access via a function at http://jamesfell0000.github.io. Access imports and exports data for every product for every country and boost your evidence base and ability to do great analysis. #RStats #Comtrade #internationaltrade

Here are data tests using #COMTRADE. The #treemap shows the % share of petroleum exports by country and subregion.

#sankey shows subregion to subregion flows of petroleum products.

Both packages are part of the #heirarchical #dataviz series. More on this later.