https://www.bruegel.org/sites/default/files/2023-06/PB%2012%202023.pdf
https://www.eca.europa.eu/Lists/ECADocuments/SR22_17/SR_External_consultants_EN.pdf
https://www.cer.eu/sites/default/files/pbrief_recovery_fund_11.11.21.pdf
https://www.boeckler.de/pdf/p_imk_report_152e_2020.pdf