The problematics of the constitution of social problems oscillates between objectivism and subjectivism, factualism and artificialism, and often overlooks the both phenomenal and political dimension of the public arena in which this constitution is situated. By borrowing propositions from the sociology of phenomenology of A. Schiitz and Th. Luckmann, the symbolic interactionism of A. Strauss and H. Becker, the narrative hermeneutics of P. Ricœur and the analysis of frames of E. Goffman, a model can be outlined which is clearly distinct from the theories of the mobilization of available resources or the strategies of agents in a field. Relativism and constructivism, current in social problems studies, can then be called into question by this...