The paper provides the axiomatic characterization of a new relative deprivation index. The concept of relative deprivation is here extended towards the inter-temporal framework. In fact, if we agree that deprivation is a relative concept, we should also believe that individuals not only take...

In this paper, a new class of polarization measures is derived axiomatically. The concept of polarization is here identified with the decline of the middle class. In particular, we extend the definition of middle class towards a more realistic framework: the middle class is defined in terms of...