
https://www.brookings.edu/wp-content/uploads/2018/03/fp_20180316_future_political_warfare.pdf

https://corporateeurope.org/sites/default/files/2020-06/Corporate-lobbying-DE-presidency-web%20DE.pdf

https://www.sachverstaendigenrat-wirtschaft.de/fileadmin/dateiablage/gutachten/jg201819/Chapter_1.pdf