The webapp provides for each item the link on ECB's website.
Speeches for : Luis de Guindos where "inefficiencies" appeared
2019-11-18 : Opportunities and challenges for the euro area financial sector2019-05-01 : Challenges for bank profitability
Speeches for : Luis de Guindos where "inefficiencies" appeared
2019-11-18 : Opportunities and challenges for the euro area financial sector