A recent trend in the study of poverty is to consider a relative poverty line, one that is responsive to the nature of the income distribution. We develop an axiomatic approach to the determination of an amalgam poverty line. Given a reference income (e.g. the mean or the median), the amalgam...

type="main" <p>This paper proposes new measures and graphical representations of the change in bi-polarization and in the relative importance of the middle class that took place in a given country during a given period. These tools extend, in fact, the concepts of inter-distribution income...</p>

A simple algorithm is proposed which defines the Bonferroni index as the product of a row vector of individual population shares, a linear mathematical operator called the Bonferroni matrix and a column vector of income shares. This algorithm greatly simplifies the decomposition of the...