The webapp provides for each item the link on ECB's website.
Speeches for : Peter Praet where "diffusion" appeared
2019-05-15 : On the importance of institutions as provider of stability and protection in an uncertain world2018-10-17 : Economic policymaking under uncertainty
2017-02-23 : Creating stability in an uncertain world
2017-01-20 : Is secular stagnation the new economic reality?