Changes in ownership structure and strategic decision-making of oil companies in terms of state interventions on the oil market

Topic of this master thesis is the characterization of the relationship between private oil companies and the state. Ambition is to render this co-existence based on historical case studies and practical examples. Case studies show a transparent variety of state approaches and relations with private oil companies. Practical examples are characterized by three major oil states and demonstrate their efforts to prioritize "national champions" and to maximize their income from oil. Based on results of this work, it is clear that private companies and the state in most cases need each other, altough their relations are often tense. There are also a far-reaching legislative changes that are making actions of private oil companies more difficult