This study investigates the correlation between the Gini index and gross domestic product (GDP) in two of the world’s largest capitalist economies: the United States and the United Kingdom. Utilizing econometric methods, including stationarity tests and linear regression, this research work...

This paper provides a comprehensive overview of the ongoing debate on global income inequality. It shows that global income inequality is a valuable analytical concept that significantly enhances our understanding of global economic dynamics. By addressing key methodological issues in the...

This reprint concerns methods of data analysis for risk management in economics, finance, and business. The presented papers contain research on data analysis methods, including classical statistical methods, and machine learning methods that have emerged from statistics and are being...