Forecasts of economic growth in recent years are often revised for the worse. Not only in Russia but also in the global economy. Economic growth has stimulated the consumption of energy resources, including oil and therefore reduction in forecasts of economic growth have a negative impact on the oil market. For many commodities the dollar is important. With the growth of dollar commodity prices are beginning to fall in price, and vice versa. The growth of the dollar and oil volumes in the market led to a decline in oil prices. The Russian budget, almost half of which depends on oil prices, can not respond to this movement, as a result - another decline of the ruble. In this article the author considers the question of a mathematical correlation between the external factor - the change in the value of oil and refining the assessment of well-being of international corporations