
https://www.nuffieldtrust.org.uk/news-item/how-has-the-role-of-the-private-sector-changed-in-uk-health-care

https://www.imf.org/-/media/Files/Countries/ResRep/ECC/corporate-liquidity-and-solvency-in-europe-feb-12-2021-v3.ashx

https://cerre.eu/wp-content/uploads/2023/07/CERRE-Virtual-Worlds-Issue-Paper-0723.pdf