https://www.wto.org/english/tratop_e/tpr_e/s434_e.pdf
https://www.bankofengland.co.uk/-/media/boe/files/working-paper/2022/horses-for-courses-measuring-foreign-supply-chain-exposure.pdf?la=en&hash=4DDAA1DD7E8446384A7C3C6380C00E305142A4F3
https://documents-dds-ny.un.org/doc/UNDOC/LTD/V23/004/26/PDF/V2300426.pdf?OpenElement
https://somme450.wixsite.com/scott/research