%0 Journal Article %T Measuring the effectiveness of China provinces’ economic development using the DEA method and the Malmquist index %A Karpenko, V.M. %A Zhu, H.. %K regional economy, three-stage DEA model, Malmquist index, interprovincial differences, economic efficiency, technological progress %J Economic and Social Research %D 2026 %N 12 %P 0 %I National Research University of Electronic Technology