https://www.persee.fr/doc/rfeco_0769-0479_1995_num_10_2_978
https://www.boeckler.de/fpdf/HBS-008373/p_wsi_report_77e_2022.pdf
https://www.socialeurope.eu/2017/06/the-case-for-an-investment-state/
https://www.ecb.europa.eu/press/accounts/2020/html/ecb.mg200409_1~baf4b2ad06.en.html