https://cerre.eu/wp-content/uploads/2023/07/CERRE-Virtual-Worlds-Issue-Paper-0723.pdf
https://ukandeu.ac.uk/the-debt-brake-and-germanys-international-competitiveness/
https://ecfsapi.fcc.gov/file/109303096909269/Sage%20&%20Carpenter,%202009.pdf
https://www.aier.org/article/chinas-economic-facade-is-cracking/