
https://blogs.lse.ac.uk/brexit/2019/12/03/a-missed-opportunity-revisiting-the-euro-referendum-that-never-was-from-a-historical-perspective/

https://www.brookings.edu/wp-content/uploads/2022/09/Obstfeld-Zhou-Conference-Draft-BPEA-FA22.pdf

https://ukandeu.ac.uk/the-debt-brake-and-germanys-international-competitiveness/