https://www.boeckler.de/fpdf/HBS-008373/p_wsi_report_77e_2022.pdf
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2021-rapport-comite_suivi_et_evaluation_loi_pacte-septembre_0.pdf
https://www.bankofengland.co.uk/-/media/boe/files/speech/2018/slides-for-mark-carney-speech-at-public-policy-forum-toronto.pdf?la=en&hash=5F46D0A1D150B85A231ADA4DBCAE019B70302404
https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/662744/State_of_the_Nation_2017_-_Social_Mobility_in_Great_Britain.pdf