TY JOUR TI Comparative assessment of the dynamics of investment efficiency in fixed capital at the level of federal districts of Russia KW investments KW investment efficiency KW comparative assessment KW investment in various economic activities KW capital structure KW dynamics efficiency KW short time series KW lag JO Central Russian Journal of Social Sciences AU Barbashova, E.. AU Lyaskovskaya, O.. AU Abramova, G.. PY 2016 IS 11 PB RANEPA