https://www.cbo.gov/system/files/115th-congress-2017-2018/reports/53651-outlook.pdf
http://www.bankofengland.co.uk/publications/Documents/speeches/2017/speech1001.pdf
https://www.etui.org/sites/default/files/2020-08/Mitigating%20the%20COVID-19%20effect_2020_web.pdf