41st IAHS WORLD CONGRESS - THE PUBLIC PRIVATE PARTNERSHIP IN SUPPORT OF THE DEVELOPMENT OF URBAN PLANNING

Public Authorities have opened to the involvement of private operators in the processes of modernization and upgrading of both the infrastructural facilities (such as transport, road works) that the great works in the community services such as housing, tourism and health. The complexity of programming, implementation and management of these processes have encouraged the use of Public Private Partnership (PPP) and Project Finance (PFI) that result with the interaction between several public and private actors in order to share the risks relating to investment operations within the initiative and to draw mutual benefits. The main benefits range from greater consistency of the costs and the timing, to the involvement of qualified operators, optimization of design processes, production and management. The forms of public-private partnership are continuously evolving, now providing sources of finance unthinkable only a few years ago, ranging from the purpose taxation to the specific use of excise duties , especially for operations that affect the realization of works characterized by a limited profitability or in any case a return only in the very long period of investment, as exemplified by some important infrastructure.