The webapp provides for each item the link on ECB's website.
Speeches for : Willem F. Duisenberg where "incentive" appeared
2002-06-13 : The euro as a catalyst for integration and competition in EMU2001-06-04 : What exactly is the responsibility of central banks of large economic areas in the current slowdown of the world economy?
2001-04-11 : Introductory statement with Q&A