It is argued that the concept of well-being inequality cannot be properly defined without taking the reference process into account. The reference effect depends on how frequently individuals compare with others and on the degree of social transparency in society. In this paper we employ the...

The tools to be used and other choices to be made when measuring socioeconomic inequalities with rank-dependent inequality indices have recently been debated in this journal. This paper adds to this debate by stressing the importance of the measurement scale, by providing formal proofs of...