https://www.bruegel.org/sites/default/files/2023-05/PB%2010%202023.pdf
https://www.boeckler.de/fpdf/HBS-008396/p_imk_pb_132_2022.pdf
https://www.ipg-journal.de/interviews/artikel/das-vertrauen-vollstaendig-verloren-2934/
https://www.esri.ie/system/files/publications/QEC2022WIN_0.pdf