The webapp provides for each item the link on ECB's website.
Speeches for : Lorenzo Bini Smaghi where "efficiency" appeared
2007-12-10 : Banking consolidation, innovation and access to credit2007-11-20 : The value of central bank communication
2007-10-26 : Legal system and financial markets
2007-02-27 : The governance of the euro area (eight years on)
2006-05-08 : The Growth of Pension Funds and Financial Markets: Implications for Central Banks