Introduction. All reasonable human activity is somehow connected with the problem of efficiency. This concept is based on limited resources, the desire to save time, to get as much products as possible from available resources. The problem of efficiency - how to allocate and how much resources to use for current and future consumption. The level of efficiency affects the solution of a number of social and economic problems, such as rapid economic growth, raising the standard of living of the population, reducing inflation, and improving the working and rest conditions.

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