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The systems programmed approach or the programmed control method is a practical method to manage large and complex systems. In general it is a feed-back decision-making process which implies many time planning processes and consists of such elements as forecasting, formulation of goals and objectives, collection of available alternative strategies to achieve the goals, selection of the best alternative, realization of the strategy, comparison of the results with predicted outcome, new forecasting, reformulation of goals and so on. 

Thus the process includes both formal (strict) and informal (heuristic) procedures. 

To find the application and to emphasize the necessity for using rigorous mathematical methods in the decision-making process in the economic systems, we shall briefly describe some decision-making elements and the corresponding mathematical models.</abstract>
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