Equivalence scales are typically designed for adjusting households' incomes for differences in size and composition. On the one hand, there is evidence that the way differences in needs across households are taken into account has a significant impact on the assessment of inequality in the...

The paper investigates the definition of equity-regarding poverty measures when there are different household types in the population. It derives the implications of a between-type regressive transfer principle for poverty measures, for the choice of poverty lines and for the measurement of...