This book originates from a basic, yet innovative question: in which forms of qualification and justification do social actors support themselves to engage in common actions? This inquiry brings to the field of sociological and anthropological analysis the need to take into account socially accepted forms of qualifications of common action and the ways by which they are brought to social situations, and, simultaneously, the need to understand the processes of elaboration of justifications which may demonstrate to social actors that acting in common is worthwhile. As such, this volume analyses...