For the sending countries, it reduces domestic pressure to pursue needed political and economic reform, and drains them of the human capital necessary to motivate and implement those reforms.
Some experts say Qatar's withdraw from OPEC probably won't have a major effective on the oil market but others say it could cause complications within OPEC. But why is Qatar leaving?
OPEC stands for the Organization of Petroleum Exporting Countries. Its members control about 40 percent of the worlds oil supply and they`re supposed to work together to decide how much oil to produce.