Family size equivalency scale is widely used in income inequality studies to deal with the differences in the size of each household, and it is widely accepted that the use of different scales significantly alters the estimated values of the inequality indexes and produces U-shaped pattern. This...

"The authors analyze general equilibrium relationships between trade policy and the household distribution of income, decomposing social welfare into real income level and variance components and emphasizing Gini and Atkinson indexes. They embed these inequality-adjusted social welfare functions...

Inequality, bi-polarization and polarization are related but distinct concepts aiming at analysing the income distribution. This paper first recalls the main differences between these three notions of inequality, bipolarization and polarization and then suggests using the so-called Shapley...