https://www.imk-boeckler.de/download-proxy-for-faust/download-pdf?url=http%3A%2F%2F217.89.182.78%3A451%2Fabfrage_digi.fau%2Fp_imk_report_152e_2020.pdf%3Fprj%3Dhbs-abfrage%26ab_dm%3D1%26ab_zeig%3D8849%26ab_diginr%3D8482
https://theconversation.com/six-graphs-showing-the-state-of-the-uk-economy-a-year-after-brexit-referendum-79598
https://www.piie.com/blogs/realtime-economics/european-commissions-fiscal-rules-proposal-bold-plan-flaws-can-be-fixed?utm_source=update-newsletter&utm_medium=email&utm_campaign=piie-insider&utm_term=yyyy-mm-dd