Andrea de Guttry is Professor of International Law at Scuola Superiore di Studi Universitari e di Perfezionamento, Pisa. Harry Post is Professor of International Law at the Facolt� di Giurisprudenza, Universit� degli Studi di Modena e Reggio Emilia, Modena. Gabriella Venturini is Professor of International Law at the University of Milan and Director of the Research Center on the Law of International Economic Organizations (CIDOIE), Italy.