Introduction, issue 63

We have a varied menu for your autumnal reading, starting with three articles on upstream taxation. This has become, yet again, a subject of particular interest since the oil price has tripled within the past couple of years. Should, or will, oil-producing countries change their tax regime in order to take their share of the available fiscal surplus, or should contractual arrangements remain inviolate? We may be reminded of the arguments in the ’60s and ’70s about the Law of Changing Circumstances