
https://www.project-syndicate.org/commentary/moodys-downgrade-china-sovereign-debt-rating-by-yu-yongding-2017-06

https://www.mckinsey.com/mgi/our-research/geopolitics-and-the-geometry-of-global-trade

https://www.brookings.edu/wp-content/uploads/2018/12/181224_Dollar_Sense_Solis.pdf