https://www.economiesuisse.ch/de/print/pdf/node/48305
https://www.faz.net/aktuell/politik/inland/gastbeitrag-wolfgang-schaeuble-aus-eigener-staerke-16846887.html?utm_source=POLITICO.EU&utm_campaign=a80ea0a946-EMAIL_CAMPAIGN_2020_07_09_05_10&utm_medium=email&utm_term=0_10959edeb5-a80ea0a946-190380769
http://www.oecd.org/eco/surveys/Boosting-productivity-and-wellbeing-OECD-economic-survey-Ireland-2018.pdf
https://openknowledge.worldbank.org/bitstream/handle/10986/36647/What-Has-Been-the-Impact-of-COVID-19-on-Debt-Turning-a-Wave-into-a-Tsunami.pdf?sequence=1&isAllowed=y