
http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6448&CESifoWP.search=+

https://ecipe.org/wp-content/uploads/2022/02/ECI_22_PolicyBrief-TimeForFresh_01_2022_LY04.pdf

https://ec.europa.eu/commission/sites/beta-political/files/financial-settlement-essential-principles-draft-position-paper_en.pdf