http://library.fes.de/pdf-files/bueros/rom/16042.pdf
https://www.brookings.edu/opinions/the-approaching-debt-wave/?utm_campaign=Brookings%20Brief&utm_source=hs_email&utm_medium=email&utm_content=82830565
https://www.bruegel.org/sites/default/files/2022-11/PC%2020%202022_4.pdf
http://www.globalbusinessoutlook.com/germanys-government-still-has-an-allergy-to-investing/