This study aims to analyze the effect of Government Expenditure, Infrastructure, Total Working Age Population, and Domestic Investment on the Economic Inequality between provinces on Sumatra Island from 2012-2022. The analytical method used in this study is the Panel Data Regression method. The data type used is secondary data for 11 years (2012-2022) sourced from the Central Indonesia Statistic Agency, which is processed with the Eviews program. The study results show that Domestic Investment variables have a positive and significant effect on the Economic Inequality between provinces on Sumatra Island in 2012-2022. Meanwhile, the Infrastructure, Government Expenditure, and Total Working Age Population variables negatively and significantly affected the Economic Inequality between provinces on Sumatra Island from 2012-2022.
Sitompul et al. (Fri,) studied this question.