This article proposes a taxonomy of the conventional forms of coordination of the action based on the progressive weakening of their interpretability. After having proposed to weaken the load of rationality contained in the Lewis\'s convention, defined like Common Knowledge, one proposes to...

To address a gap in the literature that deals with official quality labels, the article proposes a methodology for analysis and a conceptual framework that are subsequently applied to two such quality labels from the south west region of France : ‘Volaille Fermières des Landes’ and...