In the second halves of XX., when widely scientific and technical revolution developed and became especially quickly to develop production and social infrastructure, the state began far more active to affect development of national economy. In this connection an economic mechanism, organizational forms of economic activity and economic connections, changed between managing subjects.

In the developed market economy an economic mechanism suffers substantial changes. The planned methods of management get further development within the framework of separate firms as marketing control system. At the same time on a macro-level development of the planned methods is related to government control of economy.

Regularity comes forward as a mean of active adaptation to the requirements of market, as a result and the key tasks of economic development get a new decision. So, a question about a volume and structure of producible products decides on the basis of marketings researches within the framework of firms, and also analysis of priority directions, prognosis of development of public necessities, NTP on a macro-level. A market forecast allows in advance to abbreviate the issue of becomings antiquated commodities and pass to the high-quality new models and types of products. Marketing control system by a production creates possibility yet to beginning of production to bring individual expenses over of companies, producing the bulk of commodities of this kind, in accordance with publicly necessary expenses.

The government of a particular branch and national programs (plans) also render substantial influence on a volume and structure of producible commodities and services, providing their greater accordance changing public necessities.

The task of the use of resources decides within the framework of large companies on the basis of the strategic planning taking into account the most perspective industries. At the same time the redistribution of resources on development of the newest industries takes place due to budgetary assignations, government national and intergovernmental programs, leadthrough of NIOKR in priority directions of NTR. For example, the European programs "Evrika" and "Esprit" will be realized presently.

Finally, the task of distributing of the created gross national product (VNP) decides not only on the basis of traditional the folded forms but also complemented a selection all large resources by both large companies and state for investments in development of human factor (financing of the systems of education, including retraining of workers of different qualification, perfection of medical service of population, social needs).

On public welfare, realization of the numerous programs of fight against poverty in the developed countries presently sent no less than 30—40% all state budgetary assignations. At the same time large firms care of the employees, aiming to activate work of personnel, promote the labour productivity, shorten the losses of working hours and the same to fix an own competitiveness.