https://www.mckinsey.com/mgi/our-research/global-trade-explorer?sector=0ag
https://ecipe.org/wp-content/uploads/2022/05/ECI_22_OccPaper_Defence_04_2022_LY10.pdf
https://www.cesifo.org/DocDL/cesifo1_wp7982.pdf
https://www.econstor.eu/bitstream/10419/266146/1/1820832732.pdf