The paper defines the Gini index as the sum of individual contributions where individual contributions are interpreted as the degree of diversity of each individual from all other members of society. Among various possible forms of individual contributions to the Gini found in the literature, we...

This paper attempts to explicitly integrate the idea of reference group when measuring relative deprivation. It assumes that in assessing her situation in society an individual compares herself with individuals whose environment can be considered as being similar to hers. By environment we mean...

By all accounts, income inequality in Egypt is low and had been declining during the decade that preceded the 2011 revolution. As the Egyptian revolution was partly motivated by claims of social injustice and inequalities, this seems at odds with a low level of income inequality. Moreover, while...

Do people care about income inequality and does income inequality affect subjective wellbeing? Welfare theories can predict either a positive or a negative impact of income inequality on subjective well-being and empirical research has found evidence on a positive, negative or non significant...