Fasolko T. Models of Government Debt Management.

The main aspects of government debt essence are researched. Some reasons as well as certain special features and consequences of debt forming processes are characterized with the help of formalization method. A theoretic-analytical excursus of economic mathematical models of government debt management is also made.Certain methods of loan fund control by its converting into debt investment are suggested on the background of modern challenges in scientific and technological progress. A model of government debt management is designed in the context of intensification of economic growth and improvement of population welfare under conditions of double deficit. The comparative analysis of the dynamics of Ukrainian government debt is carried out.A model of optimal allocation of debt investments is implemented in order to show these investments between different sectors of economics and time calculations of revenue from these sectors. The upper limits of solvency indicators of Ukraine are established in the context of debt security. A program of debt investment is discussed which is based on production function and which considers the debt investments.