摘要：The paper synthesizes the research program to study and apply valuation methods, which are functional to the attainment of parti- cipation objectives, transparency, efficiency and feasibility, and able to improve the social agreements in the constituent phase of Reggio Calabria metropolitan city. The methodological approach is to start a path of information (explaining what is the metropolitan city, aspects and functions that will have some possible forms of organization, needs and demands that can be met by new institutional body) and training, in order to allow citizens understanding the convenience ethics of the metropolitan area. The aim is to support the theoretical study, and to make an initial contribution, to the theme of the metropolitan cities and dissemination of the Culture of Valuation, in all its facets, integrating the traditional economic-financial approach with other kind of environmental and social, in order to improve the communication process and the public debate and become a tool to promote the cultural of sustainability and to support of public decisions.
