https://www.brookings.edu/wp-content/uploads/2020/10/Executive-order-worth-100-billion.pdf
https://arxiv.org/pdf/2303.03371.pdf
http://www.migrationobservatory.ox.ac.uk/resources/commentaries/brexodus-migration-and-uncertainty-after-the-eu-referendum/
https://www.regjeringen.no/contentassets/1febbbb2c4fd4b7d92c67ddd353b6ae8/en-gb/pdfs/ki-strategi_en.pdf