https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef1663en.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.brookings.edu/wp-content/uploads/2020/03/Del-Negro-et-al-Conference-Draft.pdf
http://ec.europa.eu/epsc/sites/epsc/files/epsc_europe_is_back_trends_jan.pdf