Fundamental factors affecting the exchange rate of the ruble

This article discusses the fundamental factors, both internal and external, affecting the exchange rate of the ruble. Greater attention was allocated to the analysis the fall of the ruble in the crisis years of 2014-2015. Analyzed changes in oil prices and OPEC's behavior on the world stage, which was a key factor in the fall of the ruble. Raise the issue of the annexation of Crimea to Russia, and the sanctions imposed upon it. And also installed modern trends of development of small business in the current circumstances.