Petra Ferk, PhD, Director of Research at the Institute for Public-Private Partnership, Slovenia and Associate Professor at the New University, Slovenia. Boštjan Ferk, PhD, Managing Director at the Institute for Public-Private Partnership, Slovenia and Assistant Professor at the New University, Slovenia. For correspondence: <mailto:petra.ferk@pppforum.si> and <mailto:bostjan.ferk@pppforum.si>.