https://conservativereader.substack.com/p/francois-valentin-we-are-under-threat
http://www.cesifo-group.de/ifoHome/publications/working-papers/CESifoWP/CESifoWPdetails?wp_num=6430&CESifoWP.search=+
https://verfassungsblog.de/with-exclusive-competence-comes-great-responsibility/