file:///C:/Users/cooma_000/Downloads/EconPol_Policy_Report_02_2017_German_Account_Surplus.pdf
https://www.nao.org.uk/wp-content/uploads/2018/01/PFI-and-PF2.pdf
https://scholar.harvard.edu/files/rogoff/files/ilzetki_reinhart_rogoff_qje_2019_2.pdf
https://ukandeu.ac.uk/the-debt-brake-and-germanys-international-competitiveness/