The Oil Business and the State: National Energy Companies and Government Ownership

National oil companies are big business with about 80 percent of the world’s proven oil reserves, and they are crucial to the world’s energy supplies. They are giants, some of the world’s largest companies, measured by market capitalisation, cash flow and investment. Little is known about their modus operandi, how they make decisions about investment and production or about relations with their government-owners. However, it is known that they conduct business with a political mandate, ofte...