Lytvyn V. Institutional, procedural, political and behavioral attributes and varieties of semi-presidential system of government: comparative analysis on the example of European countries.

The thesis reveals historiographical, conceptual, theoretical, methodological, practical and empirical features of the research of semi-presidential system of government in Political Science and deals with institutional, procedural, political and behavioral conditionality of the essence, attributes and typology of semi-presidential system of government in European countries, in particular against the background of such indicators as: governments’ formation, functioning and responsibility; dissolution and composition of legislatures; dualism, legitimacy, party affiliation and responsibility of the executive; presidential powers. On this basis, the researcher recorded institutional, procedural, political and behavioral consequences of semi-presidential system of government in European democratic and autocratic countries, and established and systematized the peculiarities, risks and prospects for operationalization and reformation of semi-presidential system of government in Ukraine.