Add to ORKGIn theoretical part are written main information about the crude oil. In the first part can be found description of historical facts that influenced the exploitation of crude oil. Also we can find information about where we can find the most important deposits, what affects crude oil prices and on which classes is crude oil devided. Practical part of the bachelor´s thesis is devided into two articles. The first article is analytical, where by statistical and econometric calculations demonstrate the impact of changes in crude oil price on particular states. In the second part I search for changes in the price of crude oil and its impact on the various markers. At the end of practical part is described the current situation on crude oil marke...