</titre> The capability approach proposed by A. SEN constitutes a real change in the poverty analysis. It influenced considerably development indicators. However, the question who really is the subject behind this approach is at stake. In this paper we defend the idea that the conception of the person...

Development is humanly sustainable if he respects the person while considering social and preserving nature. There are physical, mental and ethics costs which don?t appear in social indicators and at the level of the society, social and societal sustainability may be contradictory. In this...