The article considers the possibility of the use of complex valued index, which includes both material and imaginary parts, as an indicator of the level of region's development. The material part of this index characterizes the income level of the region's population and thereby is the...

In the article the analysis of interregional disproportions of socio and economic development is presented in a country, basic factors that assist the origin of disproportion and the system of indexes is offered for the estimation of interregional disproportions in Ukraine are outlined.