15 F. A. von Hayek, inaugural lecture on 18 June 1962 at the University of Freiburg. 16 J.-C. Juncker, State of the Union 2018 – The Hour of European Sovereignty, speech given on 12 September  2018. 17 C. Fuest, Ein Europäischer Währungsfonds muss die Steuerzahler schützen, Wirtschaftswoche, 15 December  2017, p. 68.
18 See F. Heinemann (2018), How could the Stability and Growth Pact be simplified?, European Parliament, In-  depth Analysis, Euro Area Scrutiny. 19 K. R. Popper, The Open Society and Its Enemies, Vol. I, Introduction, 1st ed. 1957, Francke Verlag, Berne  10 / 10  BIS central bankers' speeches