Taxation in the modern society has become to play role of one of important and efficient instruments of the State in carrying out its social and economic policy. Eminent French scholar Maurice Duverger wrote shortly after the middle of the 20th century in his famous book “Public Finances” that the tax “ceases to be the grain of sand that interferes with the gears in order to become one of the regulators and engines of the machine. The tax levies on prices and incomes do not only aim to cover the expenses of the State apparatus, but to ensure a certain correction and a certain orientation of the mechanisms of the market. The “interventionist” goal is thus added to the “financial” goal; the tax becomes an essential instrument of the economic ...