Presentations (including scheduled) : European Economic Association (EEA), European Assocation of Environmental and Resource Economists (EAERE), International Institute of Public Finance (IIPF), Journées Louis André Gérard Varet (LAGV), International Policy Research conference regarding a UN tax convention (at the Paris School of Economics), Berlin Technische Universität seminar, Grantham RSS seminar at the London School of Economics, Paris Tax Workshop, Paris 2 seminar