http://www.europarl.europa.eu/ftu/pdf/en/FTU_5.9.1.pdf
https://www.cfr.org/blog/power-and-financial-interdependence
http://www.oecd-ilibrary.org/docserver/download/5jlv2jhfnt48-en.pdf?expires=1494939516&id=id&accname=guest&checksum=08592067325A17BFB82AC6F6E15110B2
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