In this study a new decomposition of the Theil index is proposed using multiplicative factors, which improves on that suggested in Duro (2001), and that, in particular, makes it possible to obtain, in isolation, the role attributable to the elements of factorial correlation. The Theil index, as...

International income polarization is mainly analysed through the use of EGR (Esteban et al., 1999). The main empirical results can be summarized as follows: first, polarization followed a curvilinear trajectory over time, with a slight increase up until the mid-1970s followed by a significant...