The article attempts an assessment of the long-term evolution of poverty in the four Latin American countries for which there is enough historical data. Argentina, Colombia, Chile,and Mexico represent a variety of the different national situations present in the region. Intertemporal...

The aim of this paper is three fold: a) it presents a formal generalization of Theil’s decomposition method, b) it presents advances in the determination of its properties, and c) it contributes towards the interpretation of interactions among variables.