https://feps-europe.eu/wp-content/uploads/2024/03/The-Progressive-Post-Issue-24-1.pdf
https://blog-dialogoafondo.imf.org/?p=8769
https://www.nuffieldtrust.org.uk/news-item/privatisation-by-the-front-door-what-does-a-new-public-private-gp-model-mean
https://www.nber.org/system/files/working_papers/w32002/w32002.pdf