The boost to oil prices from any potential OPEC agreement to curb supply when it meets next week will have only a short-term impact, Statoil’s chief economist said on Monday. Oil prices rose to their highest in three weeks on Monday, catching a lift from a weaker U.S. dollar and from cautious money managers, as OPEC appeared to be moving closer to agreeing an output cut at its Nov. 30 meeting. “If the sentiment in the market now is we are moving toward a deal then most of the positive impact of any kind of deal might have been taken out in the market before we get there,” Eirik Waerness, the Norwegian oil major’s chief economist, told Reuters. “Then you let pass a […]