https://publications.parliament.uk/pa/ld5801/ldselect/ldeucom/248/248.pdf
https://www.tandfonline.com/doi/epdf/10.1080/10220461.2023.2226108?needAccess=true
https://dgap.org/de/forschung/publikationen/europa-braucht-eine-bessere-geooekonomische-strategie
http://cdn.budgetresponsibility.org.uk/July_2017_Fiscal_risks.pdf