MODELLING OF DEPENDENCE OF RUBLE EXCHANGE RATE ON THE PRICE OF OIL TAKING INTO ACCOUNT INFLUENCE OF THE TAX PERIOD
The present article is devoted to the research of the influence of «the tax period» on the cost of one barrel of oil. The dynamics of the cost of one barrel of oil of the URALS brand in rub was analyzed. In this article there was investigated the effect of «the tax period» and its influence on ruble exchange rate was confirmed. Data of the Central Bank of the Russian Federation of dependence of ruble exchange rate in relation to dollar over the second half of the year 2014 were analysed. In the considered period the two data sets were allocated: «the without tax period» and «the tax period». The statistical processing of the specified samplings was made. Three hyperbolic models according «the without tax period», «the tax period» and «the general period» were constructed. In this article there were made the conclusions: firstly, the received models are correlated well with the related data sets and seconly, about expediency of introduction of obligatory sale of part of currency revenue of exporters in the conditions of devaluation of ruble.