The webapp provides for each item the link on ECB's website.
Speeches for : Benoit Coure where "theory" appeared
2019-11-28 : Economics as a profession: from science to practice2019-04-02 : Interview with Risques
2018-09-17 : Forward guidance and policy normalisation
2014-04-30 : The internationalisation of monetary policy
2012-10-26 : Which models do we need in times of crisis?
2012-02-19 : Central banks and the challenges of the zero lower bound