
https://www.reuters.com/world/middle-east/saudi-crown-prince-seeks-600-bln-investment-push-with-us-2025-01-22/

https://www.bruegel.org/sites/default/files/2024-07/Nicolas%20book_online.pdf

https://www.imf.org/en/Publications/fandd/issues/2022/09/Bullet-train-Adrian-Mancini-Griffoli