The high-cost suppliers in countries where cartels are illegal do. Which is why fracking busts and booms in the US as prices change around the world for other

The high-cost suppliers in countries where cartels are illegal do. Which is why fracking busts and booms in the US as prices change around the world for other reasons. But there's enough places in the world where oil flows with minimal effort to sustain low prices in a world where demand is decreasing.