https://www.economiesuisse.ch/de/print/pdf/node/48161
https://www.aspistrategist.org.au/germanys-weakness-is-bad-for-europe/
https://library.fes.de/pdf-files/wiso/14700.pdf
https://www.nuffieldtrust.org.uk/resource/getting-a-brexit-deal-that-works-for-the-nhs