https://ecipe.org/wp-content/uploads/2021/07/ECI_21_PolicyBrief_11_2021_LY03-2.pdf
https://www.veblen-institute.org/IMG/pdf/aubert_hdef.pdf
https://www.corporatebenchmark.org/sites/default/files/2019-11/CHRB2019KeyFindingsReport.pdf
https://research.berenberg.com/report/1F2D7879F366F97B76F9E29341CA3D06