· "In Search of a New Bretton Woods: Reserve Currencies and Global Imbalances" – Introductory remarks – 4th Florence Colloquium – Associazione Guido Carli Fondazione Cesifin – 2007
· „Research of a New Bretton Woods: Reserve currencies and global imbalances“ – Einleitende Bemerkungen - 4th Florence Colloquium – Ass. Guido Carli und Fondazione Cesifin - 2007