Gertrude Tumpel-Gugerell: Asset price bubbles – how they build up and how to prevent them? Speech by Ms Gertrude Tumpel-Gugerell, Member of the Executive Board of the European Central Bank, at an alumni event of the Faculty of Economics at University of Vienna, Vienna, 3 May 2011.
*  *  *  Ladies and Gentlemen, It is a great pleasure for me to speak today at the University of Vienna, the alma mater from which I graduated many years ago. Many things that we have learned at the time of my studies were particularly useful in recent years.