Petra Ferk, PhD, Director of Research at the Institute for Public-Private Partnership, Slovenia and Assistant Professor at the New University, Slovenia. For correspondence: <mailto:petra.ferk@pppforum.si>; Boštjan Ferk, PhD, Managing Director at the Institute for Public-Private Partnership, Slovenia and Assistant Professor at the New University, Slovenia. For correspondence: <mailto:bostjan.ferk@pppforum.si>; Katja Hodošček, Researcher at the Institute for Public-Private Partnership, Slovenia and a PhD candidate at the Faculty of Law of the University of Ljubljana. For correspondence: <mailto:katja.hodoscek@pppforum.si>.