Miguel Sousa Ferro, Professor at the University of Lisbon Law School and at the European University (Lisbon). Counsel at Eduardo Paz Ferreira & Associados. For correspondence: <mailto:miguelferro@fd.ulisboa.pt>. Inês Neves, Guest Lecturer at the University of Oporto Law School; Trainee-Lawyer at Morais Leitão, Galvão Teles, Soares da Silva & Associados; Collaborator Researcher at Centro de Investigação Jurídico-Económica (CIJE). For correspondence: <mailto:ineves@direito.up.pt>.