THERE are more misunderstandings about the oil market than perhaps any other. In America, drivers are fuming and politicians are demanding explanations because petrol has hit about $3.50 a gallon. That’s 47p a litre, less than half the 105p-115p being paid by British motorists. So “high” in Cambridge, Massachusetts, and Oxford, Mississippi, is “low” in similarly named cities in Britain.

But assume that prices are “high”, which indeed they are by historic standards. We are mistaken when we think these “high” prices are causing inflation. High oil prices can force consumers to spend more on petrol and heating oil, at the expense of other purchases. Ask any suffering restaurateur or clothes retailer if you doubt that. ... Read full article