The webapp provides for each item the link on ECB's website.
Speeches for : Benoit Coure where "complex" appeared
2019-11-28 : Economics as a profession: from science to practice2018-05-25 : Central banking in times of complexity
2016-06-06 : Towards a macroprudential framework for central counterparties
2014-09-02 : On the optimal size of the financial sector
2014-06-24 : Rethinking economics after the crisis