%0 Journal Article %T Assessment of the competitive environment and prospects for the development of the oil industry in Russia: current problems and possible solutions %A Varvus, S.A. %A Efremova, A.A. %K oil industry, imperfect competition, oligopoly, concentration indices, exports, sanctions, Herfindahl-Hirschman index, dispersion of market shares %J Theoretical economics %D 2024 %N 0 %P 13 %I Yaroslavl State Technical University