The webapp provides for each item the link on ECB's website.
Speeches for : Jurgen Stark where "production" appeared
2008-03-28 : Speech delivered at the Conference 'Monetary Policy in Sub Saharan Africa: Practice and Promise'2008-03-07 : Contribution to the session on “Implications for the conduct of monetary policy”
2008-01-16 : Knowns and unknowns about the creation of economic wealth in the euro area
2007-10-11 : Productivity, structural reforms and globalisation