The Essence and Importance of the Marginal Analysis for the Russian Enterprises

Defining and actual direction of scientific search are creation of mathematical models, information technologies which operate asustainable development, providing social and economic stability. In modern conditions the special importance is gained by thetechnical and economic analysis which can give quantitative and qualitative estimates of occurring changes in operated object, todevelop versions of the decisions, allowing to slow down development of negative tendencies and to create favorable conditions fordevelopment of the progressive. The solution of these problems at the Russian enterprises requires introduction of a technique ofthe marginal analysis, allowing to carry out an assessment and justification of administrativ e decisions in business at ne wer level.