The economic, social, demographic, technological achievements, uneven distribution of raw materials, energy resources, require the opening of all economic systems. Mathematical models, came to help the arguments in this case, I propose a way to "experience" what the real situation is impossible. Need shift in the language of symbols has everything to do economist has neither a theoretical coverage. This can not be done and it is not something necessary. But, there are attempts to computerization economic activities, which in our present more than a hypothetical, but not the appropriate practice.
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