
https://blogs.imf.org/2019/12/17/new-data-on-world-debt-a-dive-into-country-numbers/?utm_medium=email&utm_source=govdelivery

https://www.socialeurope.eu/progressive-taxation-for-a-renewed-social-contract

https://www.brookings.edu/wp-content/uploads/2018/04/es_20180416_digitalcurrencies.pdf