https://table.media/wp-content/uploads/2024/05/24165405/240523_CERRE_DSA-Systemic-Risk-2_Elections-paper_FINAL.pdf
https://www.opendemocracy.net/en/dark-money-investigations/laws-protecting-britains-democracy-from-big-money-are-broken/
https://blogs.lse.ac.uk/europpblog/2023/10/17/why-differentiation-is-now-at-the-heart-of-europes-political-system/