https://www.ipp.eu/wp-content/uploads/2018/10/cepremap-macro-budget2019.pdf
http://www.europarl.europa.eu/ftu/pdf/en/FTU_5.9.1.pdf
https://uk.finance.yahoo.com/news/britain-public-finances-worse-gambia-153245680.html
https://www.socialeurope.eu/2017/05/rethinking-german-economic-policy/