Variations in aggregate poverty indices can be due to differences in average poverty intensity, to changes in the welfare distances between those poor of initially unequal welfare status, and/or to emerging disparities in welfare among those poor of initially similar welfare status. This note...

A population of households is considered and each household is distinguished by two attributes: pre-tax income and family size. To compare incomes in this heterogeneous environment an affine transformation is proposed as equivalent income function, from which income dependent equivalence scales...

We propose a general cost-of-inequality approach that jointly integrates horizontal and vertical equity criteria in the assessment of poverty alleviation programs, with the strength of each criterion being captured through its own inequity-aversion parameter. This contrasts with the assessment...