06/05 CEPET Workshop (Central European Program in Economic Theory), Udine, Italy. 06/05 PET Conference (Public Economic Theory), Marseille, France. 05/05 Social Dynamics, Networks, and Markets Workshop, London, UK. 05/03 WEHIA Conference (Workshop on Economics with Heterogeneous Interacting Agents), Kiel, Germany. 04/03 RES Conference (Royal Economic Society), Warwick, UK. 09/02 MMF Conference (Money, Macro, Finance Group), Warwick, UK. 09/01 MMF Conference (Money, Macro, Finance Group), Belfast, UK. 08/01 EEA Conference (European Economic Association), Lausanne, Switzerland. 06/01 Congress of Theories and Methods in Macroeconomics, Nice, France.