Trade is with no doubt one of those topics that majority of people are unable to imagine their functioning without. There are a lot of reasons why people think in similar way, but in order to explain this tendency we ought to, above all, not forget that the growth in this area is referred to the influence of two most influential powers in each economy – demand and supply. It is connected with the fact that owing to the demographic development as well as increasing demands of the clients internationally, the side of demand tends to be higher than the supply.