The budget deficit problem should be included into the sphere of the State real economic role. In this connection, it is necessary to emphasize relationships existing between the State involvement in the real sphere and effectiveness of its influence in the sphere of regulation. And although the nature of relationships between both spheres is multidimensional it may be assumed that a high budget dificit through exerting its negative influence on expectations of economic subjects increases their level of uncertainty and in this way it affects unfavourably effectiveness of the economic policy. Numerous misunderstandings in the debate on significance of budget deficits result from difficulties with their measurement them selves. It becomes ne...