The International Monetary Fund (IMF) said on Thursday Gulf Arab states -- some of the world's richest countries -- could see their financial wealth depleted in the next 15 years amid lower hydrocarbon revenues if they don't step up fiscal reforms.
The six-nation Gulf Cooperation Council (GCC) - whose net financial wealth the IMF estimates at $2 trillion - accounts for over one fifth of global oil supply, but economies in the region have been hit hard by a drop in oil prices in 2014 and 2015.
While lower crude prices have put pressure on governments to generate non-oil revenues