The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "inefficient" appeared
2020-05-11 : An ECB digital currency – a flight of fancy?2019-04-06 : Competitiveness of Europe and European Financial Markets
Speeches for : Yves Mersch where "inefficient" appeared
2020-05-11 : An ECB digital currency – a flight of fancy?