The Gini concentration index: a review of the inference literature

The Gini concentration index is still extremely relevant and widely used in several fields of research and application. In this paper, we focus on the inferential properties of the Gini index, and discuss the main directions of analysis proposed in the literature. The aim of the paper is to provide a comprehensive review of the main developments on the inferential aspects of the Gini concentration ratio. This work can provide a valuable contribution to those scholars who are approaching the large amount of literature on the inferential properties of the Gini index.