Asjad Naqvi Apr 1, 2023

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

Asjad Naqvi on Twitter

“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…”

Twitter
Asjad Naqvi Apr 1, 2023

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

Asjad Naqvi on Twitter

“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…”

Twitter
Show threadAsjad Naqvi Dec 14, 2022

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.