This dissertation paper defends a thesis that as the Lithuanian enterprises more actively participate in international contracts, the need for financing grows. In order to minimize possible microeconomic and macroeconomic loss, it is necessary to form the expediente strategy of financing; emphasizing costs of alternatives financial sources under conditions of risk and uncertainty. Analyses conducted in the thesis were sought to contribute both conceptually (by formation of systems and models of capital structure) and practically (by implementation of such systems and models) to financing of companies activities, and to maximizing of EVA. The EVA reveals the dependence of an enterprise’s profitability on the employed capital for gaining that profit. The conceptual need urges to determine the zone of effectiveness of rational capital structure, which stipulates the growth of EVA. Scientific relevance of the dissertation is the main results of the scientific study presented for public maintenance. First, one studied adequate motives under Lithuanian conditions that encourage enterprises to study the substantiation of capital structure formation. The preconditions and criteria affecting the financing decisions of Lithuanian enterprises were conceptually grounded while stressing the aspects of finance market globalization. Second, the systemic capital leverage management model was created; involves the three main ranges that affect enterprises’ activity: internal enterprise’s... [to full text]