The webapp provides for each item the link on ECB's website.
Speeches for : Lucas Papademos where "persistent" appeared
2007-09-07 : Inflation and competitiveness divergences in the euro area countries: causes, consequences and policy responses2006-12-01 : Monetary Policy in a Changing World: Commitment, Strategy and Credibility
2005-09-22 : Growth and competitiveness in euro area economies