https://energy.ec.europa.eu/system/files/2022-05/COM_2022_230_1_EN_ACT_part1_v5.pdf
https://www.exact.com/benl/downloads/finance/whitepaper-cijfers-altijd-het-antwoord
http://www.bankofengland.co.uk/publications/Documents/speeches/2017/speech992.pdf
https://www.smf.co.uk/wp-content/uploads/2024/04/Labour-Economics-April-2024.pdf