
https://theconversation.com/red-sea-crisis-suez-canal-is-not-the-only-choke-point-that-threatens-to-disrupt-global-supply-chains-221144

https://www.europapolitik.ch/blog/innovation-braucht-vernetzung-mit-matthias-leuenberger

http://www.bankofengland.co.uk/publications/Documents/speeches/2017/speech968.pdf