Wagner's law. Comparative verification of global trends and regional policy in the southern regions of the Central Federal District of the Russian Federation

Subject. This article discusses the issues related to the contribution of the State to the formation of the gross domestic product of developed countries. Objectives. The article aims to verify Wagner's law on the basis of a long and medium time series of consolidated regional budget expenditures and gross regional products of the Kursk, Bryansk, Orel, Lipetsk, Voronezh, and Belgorod Oblasts in comparison with global trends. Methods. For the study, we used a statistical analysis of the time series and comparative analysis. Results. The article presents the results of verification of Wagner's law on the statistical data of economically developed countries and confirms its significance. The article finds that the share of the State in the gross product in developed countries and regions of Russia is growing in the long term, but demonstrates cyclicality in the medium term. Conclusions. The development of Russia and its regions is in line with global trends and demonstrates the growing role of the State in the economy.