This paper considers a partitioned population and develops a decomposition of the Gini index in two components, which measure the within and the between groups inequality. Differently from the most widespread inequality measure decompositions, having a between component that compares the means...

The socioeconomic impact of spatial concentration has been receiving an increasing attention during the last two decades. Consequently, the necessity of effective measures of this phenomenon has increased too. This paper considers a population partitioned by subgroups and develops a...

Since globalisation accelerated in the early 1990s, income inequality has increased in most developed countries and in some middle-income countries, including China and India. Also, inequality has declined in most countries of Latin America and the Caribbean and in many Sub-Saharan African and...

The aim of this paper is to analyze the regional disparities of six decentralized countries using LIS microdata. In order to determine the extent of the territorial variable in the explanation of income inequality, we carry out two complementary analyses. On the one hand, we perform the...

Poor coverage of top incomes in surveys, also referred to as the "missing rich" problem, leads to severe underestimation of income inequality. At the regional level this shortcoming is even more eminent due to small regional sample sizes. Tax records contain more accurate income information at...

We study the distribution of income across Indian states for 2014-19 and find significant heterogeneity in income inequality. Particularly concerning in terms of high inequality are states of Uttar Pradesh, Telangana, Chhattisgarh, Madhya Pradesh, Maharashtra, Gujarat, Punjab, and Haryana –...

Recent research on Nigeria indicates declining income inequality. In contrast, anecdotal evidence suggests that only the upper class has benefited from economic growth in Nigeria over time. The disconnect between these findings and anecdotal evidence, and the limitation in how inequality was...