Timothy Mitchell interview on Naomi Klein's blog This Changes Everything

Another way of stating my argument about oil companies is to say that these were not companies set up to produce oil, they were companies set up to produce a return on investment. We should think of Exxon, BP, Shell etc. as financial machines, not energy companies. While it may seem like economic life today is dominated by the power of financial firms, the truth is that the history of energy has always been a history of finance.