https://www.socialeurope.eu/becoming-like-germany-hurdles-and-dilemmas
https://verfassungsblog.de/the-good-the-bad-and-the-ugly-2/
https://wiiw.ac.at/new-study-eu-tobacco-tax-reform-could-boost-revenues-and-cut-smoking-n-725.html
https://www.fsb.org/wp-content/uploads/P131020-1.pdf