The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "argue" appeared
2020-05-11 : An ECB digital currency – a flight of fancy?2019-11-21 : Future-proofing the European banking market – removing the obstacles to exit
2017-10-09 : Economic Policy and the Need for Humility
2016-06-29 : Opening remarks at the Academy of European Law