
https://economiesuisse.ch/de/artikel/im-gesundheitswesen-findet-eine-regulierungs-und-keine-kostenexplosion-statt

http://bruegel.org/2015/05/corruptionomics-in-italy/

http://blogs.lse.ac.uk/brexit/2018/01/04/what-euroscepticism-looks-like-in-central-and-eastern-europe/