Nadvynychnyy S. Economic development of the agrarian sphere of Ukraine

In the thesis, the theoretical-methodological and scientific-practical foundations of economic development of the agrarian sphere were investigated under market economy conditions. The use of structural-functional model of transformation of the components of its resource and export potential in the conditions of globalization was substantiated. The concept of "economic development of the agrarian sphere" was refined, in contrast to the existing definitions, as such that takes into account the systemic properties of the process of its formation and interprets it as an attribute of sustainable development, reflecting the degree of realization of its actual and potential ability to create, maintain and use stable competitive advantages of the agrarian sphere for effective development of the national economy of Ukraine. The classification of the factors of economic development of the agrarian sphere in the conditions of globalization was improved, taking into account the regularities of the process of its formation and basing upon such classification criteria as the nature of influence and economic growth. The theoretical and methodological principles of economic development of the agrarian sphere were substantiated based upon definition of its sectoral and regional features, which are predetermined by a complex of natural, economic and socio-demographic factors that determine sectoral specialization and territorial organization of the agricultural production as the guarantor of food security of the country and social stability of the society. In the process of this investigation, recommendations were elaborated with respect to improvement of the essence, methodological principles and algorithms of economic research; the methodology of agrarian sphere development in the national economy was worked out. The economic-mathematical model was proposed and substantiated, which explains the formation of regional clusters based on the indicators of multi-level development of the agrarian sphere of the economy, providing mathematical corroboration for the expert grouping of regions (oblasts) by production and economic indicators by means of applying the method of fuzzy s-means.