The webapp provides for each item the link on ECB's website.
Speeches for : Benoit Coure where "highly" appeared
2019-06-12 : The effects of APP reinvestments on euro area bond markets2014-04-13 : Asset purchases as an instrument of monetary policy
2012-06-01 : Restoring confidence in the euro area
2012-02-06 : Global liquidity and risk appetite: a re-interpretation of the recent crises