The most common measure of inequality used in scientific research is the Gini index. In 2007 Zenga proposed a new index of inequality that has all the appropriate properties of an measure of equality. In this paper we want to compare the Gini and Zenga indexes, calculating these quantities for a...

Urban and Lambert (2005, 2008) present an exhaustive summary and an in-depth discussion of the literature contributions about the decomposition of the redistributive effect of a tax (RE). The authors discuss the indexes available in the literature for the potential vertical effect (V), the loss...