https://www.bruegel.org/sites/default/files/2024-03/PB%2005%202024_2.pdf
https://onlinelibrary.wiley.com/doi/epdf/10.1111/jcms.13411
http://www.tilisone.net/wp-content/uploads/2017/10/APuZ_2017-38-39_online-1.pdf
https://energy.ec.europa.eu/system/files/2022-05/COM_2022_230_1_EN_ACT_part1_v5.pdf