How to define a weighting system for composite indicators

This work aims at showing the possible approaches in order to obtaining weights in a subjective perspective and anticipate a case study we are going to accomplish by applying and comparing all the practicable solutions. In particular, it attempts to clarify the issues to be faced in obtaining differential weights obtained. Publication accepted (21/01/2010) on the Wikiprogress Website, project hosted by OECD. Wikiprogress is a global platform for sharing information in order to evaluate social, environmental and economic progress. It is open to all members and communities for contribution – students and researchers, civil society organisations, governmental and intergovernmental organisations, multilateral institutions, businesses, statistical offices, community organisations and individuals – anyone who has an interest in the concept of “progress”. Wikiprogress was launched in beta on the 26th of October, 2009 at the OECD World Forum on Statistics, Knowledge and Policy in Busan, Korea. Mission: the core mission of Wikiprogress connect worldwide organisations and individuals wishing to develop new, smarter measures of progress.