The crucial position that Saudi Arabia has in global oil markets cannot be overstated. In 2019 its proven crude oil reserves stood at 297.6 billion barrels, representing 17 per cent of the world's total. In the same year Saudi Arabia produced 11.8 million barrels per day (mb/d) of crude,...

The main purpose of this paper is to review the evolution of OPEC models and to link this evolution to some key events in the oil market. Our main conclusion is that OPEC’s pricing power varies over time. In many instances, OPEC can lose power to limit oil price movements in either direction....