https://www.mofa.go.jp/files/100114853.pdf
https://www.cer.eu/sites/default/files/insight_CG_letter_K.Starmer_8.7.24.pdf
https://www.project-syndicate.org/commentary/moodys-downgrade-china-sovereign-debt-rating-by-yu-yongding-2017-06
https://economy2030.resolutionfoundation.org/wp-content/uploads/2023/06/Trading-Up.pdf