ftp://ftp.unibocconi.it/pub/RePEc/bcu/papers/iefewp69.pdf
https://www.morganstanley.com/ideas/coronavirus-sustainable-investing-implications?subscribed=true&dis=em_202063_wm_5ideasarticle&et_mid=156349&et_mkid=f57cbabe00e1d1b551955d9c7115252a
https://ecipe.org/wp-content/uploads/2021/09/ECI_21_PolicyBrief_13_2021_LY02.pdf
https://www.dbresearch.de/PROD/RPS_DE-PROD/PROD0000000000523908/Deutschland%3A_Konjunktur_kurzgefasst.PDF