The main features of the just society, as they would be chosen by the unanimous, impartial, and fully informed judgment of its members, present a remarkable and simple meaningful structure. In this society, individuals' freedom is full respected, and redistribution amounts to an equal sharing of individuals' different earnings obtained by the same limited "equalization labour." This also amounts to general balanced reciprocity, where each individual yields to each other the proceeds of the same labour. The concept of equalization labour is a measure of the degree of community, solidarity,...

Reciprocity is the basis of social relations. It permits a peaceful and free society in which people and rights are respected. The essence of families and communities, it also enables the working of markets and organizations, while correcting their main failures. Reciprocity is also a basis of politics, and it justifies social policies. Although the importance of reciprocity has been widely recognized in other social sciences, it has, until recently, been somewhat ignored in economic analysis. Over the past three decades, economic theorist and moral philosopher Serge-Christophe Kolm has been...