The techniques of simple random sampling are seldom appropriate in the empirical analysis of income distributions. Various types of weighting schemes are usually required either from the point of view of welfare-economic considerations (the mapping of household/family distributions into...

This study examines empirically the impact of income polarization on economic growth in an unbalanced panel of more than 70 countries during the 1960-2005 period. We calculate various polarization indices using existing micro-level datasets, as well as datasets reconstructed from grouped data on...