Contents: Marie J. Bouchard: Introduction. The Worth of the Social Economy - Marie J. Bouchard: Methods and Indicators for Evaluating the Social Economy - Bernard Perret: Evaluating the Social Economy. Clarifying Complex Rationality - Bernard Enjolras: The Public Policy Paradox. Normative Foundations of Social Economy and Public Policies. Which Consequences for Evaluation Strategies? - Bernard Eme: Miseries and Worth of the Evaluation of the Social and Solidarity-based Economy. For a Paradigm of Communicational Evaluation - Nadine Richez-Battesti/Hélène Trouvé/François Rousseau/Bernard Eme/Laurent Fraisse: Evaluating the Social and Solidarity-Based Economy in France. Societal Balance Sheet-Social Utility and Identity Trial - Marie J. Bouchard: The Evaluation of the Social Economy in Quebec, with regard to Stakeholders, Mission and Organizational Identity - Roger Spear: Social Accounting and Social Audit in the UK - Charles Patrick Rock: Evaluating Nonprofit Organizations in the United States Welfare System - Maurício Serva/Carolina Andion/Lucila Campos/Erika Onozato: Evaluation of the Social Economy in Brazil. An Analysis of the Practices in some NGOs - Isabel Nicolau/Ana Simaens: The Evaluation of Social Solidarity Organizations in the Portuguese Context - Akira Kurimoto: Evaluation of Co-operative Performances and Specificities in Japan - Marie J. Bouchard/Nadine Richez-Battesti: Conclusions.