https://www.cesifo-group.de/DocDL/ifoDD_18-01_29-31_Achten.pdf
https://www.bruegel.org/sites/default/files/2022-11/WP%2018.pdf
https://www.bloomberg.com/graphics/2021-what-is-esg-investing-msci-ratings-focus-on-corporate-bottom-line/
https://trade.ec.europa.eu/doclib/docs/2021/february/tradoc_159438.pdf