https://www.consilium.europa.eu/media/54923/peg-letter-to-pec-march2022-signed.pdf
https://www.bruegel.org/sites/default/files/2025-08/PB%2023%202025_2.pdf
https://knowledge.wharton.upenn.edu/article/why-are-the-markets-collapsing-how-bad-will-covid-19-really-be/?utm_source=kw_newsletter&utm_medium=email&utm_campaign=2020-03-17
https://www.kingsfund.org.uk/publications/spending-and-availability-health-care-resources