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The concept of sustainable development has become an essential reference, which concerns all public policies and which is becoming increasingly assimilated by actors and firms with respect to their behaviour. At the same time, a profusion of institutional initiatives were implemented by international organisations in order to develop indicators for sustainable development. The aim of this issue is to study this in greater detail, in particular by determining in which conditions it would be possible to develop more integrated or coordinated approaches. After having recalled the complexity of this question concerning the use of sustainable development indicators with respect to their various functions, we successively examine how scientists attempt to identify, to take into account and/or satisfy indicator demand. Finally, we introduce the concept of indicator trajectory which appears to be the most appropriate way for accounting for the diversity of indicator statuses and elaboration forms.
Valette et al. (Mon,) studied this question.