http://www.bankofengland.co.uk/publications/Documents/speeches/2017/speech971.pdf
https://www.bruegel.org/sites/default/files/wp_attachments/China-WP-02-050422-final.pdf
https://iea.blob.core.windows.net/assets/fd69e584-f43f-400b-9702-f5a6dc9c3156/WEO2020-Launch-Presentation.pdf
https://economiesuisse.ch/de/artikel/schuldenbremse-so-gut-wie-vor-20-jahren-und-genauso-wichtig