https://theconversation.com/el-lobby-bajo-la-lupa-es-una-actividad-democratica-221947
http://blog.lboro.ac.uk/crcc/general-election/media-coverage-of-the-2017-general-election-campaign-report-4/?utm_source=twitter&utm_medium=social&utm_campaign=ge2017&utm_content=coverage#coverage
https://www.ineteconomics.org/perspectives/blog/the-economics-and-politics-of-social-democracy-a-reconsideration
https://www.ucl.ac.uk/european-institute/analysis/2016-17/poulsen-investment-policy