The webapp provides for each item the link on ECB's website.
Speeches for : Yves Mersch where "investments" appeared
2020-11-21 : Interview with Börsen-Zeitung2018-04-27 : Reflections on monetary policy in the euro area
2018-04-26 : Monetary policy in the euro area: solid expansion with timid price pressure
2017-02-10 : Behaving responsibly in a low interest rate environment: A central banker's perspective
2016-11-17 : The causes of monetary policy measures and their impact - a review
2015-03-10 : The Future of Banking - a Central Banker's view