Naumenko Z. Theoretical and methodical fundamentals of the reducing of disproportional development of the regions

development of regions in conditions of the decentralization. The aim of the study is development of theoretical and methodological principles and scientific positions of reducing the level of disproportionality and ensuring balanced development of regions. Methods: retrospective and system analysis, economic-statistical and economic-mathematical methods, analysis, comparison, synthesis, induction, deduction, abstract-logical and program-target methods. Theoretical and practical results - theoretical and methodical principles for assessing and reducing the disproportionality of the development of regions on the basis of a methodical approach to the formation of a mechanism for stimulating the socio-economic development of regions, which is based on the application of a coproject approach to tax support of economic growth points. Novelty - a system of classification of types of disproportionality in the development of regions, a methodical approach to the assessment of the disproportionality of the development of regions on the three-dimensional model of identification of the type of regional disproportions. The level of implementation - The Union of Entrepreneurs of the Odessa Economic Region, Public Association "The South Ukrainian Association of Farmers and Private Landowners "Budzhaksky Step", The Investment Department, International and Interregional Cooperation of the Odessa Regional State Administration, The Limanska District State Administration of the Odessa Region. Field (industry) of usage - regional economy