Over the past decade, the phenomenon of collaborations between public and private entities has flourished in broad fields of the public realm. Public-private partnership (PPP) has attracted increasing interest from public authorities because of the many benefits that can be derived from the implementation of this type of arrangements. Analyses conducted by the Italian Presidency of the Council of Ministers - Department for the Planning and Coordination of Economic Policy (DIPE), however, show that the PPP market in Italy does not seem to be fully developed yet, especially in comparison with other markets in major European countries. This can be traced back to a number of challenges.