The webapp provides for each item the link on ECB's website.
Speeches for : Otmar Issing where "efficiency" appeared
2005-05-31 : The euro and European financial market integration2005-01-20 : Monetary Policy Implementation: Lessons from the past and challenges ahead. Opening speech at the ECB Workshop
2004-12-10 : Inflation persistence in the euro area
2003-05-23 : Efficiency in financial institutions
2000-09-12 : The globalisation of financial markets
2000-02-08 : European integration at the beginning of the new millennium