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generic-user-1 said:

if saudi arabia buys tanks and cars with oil, dollar or gold doesnt realy matter. they have to sell, they need the cars for keeping their people happy and te tanky if someone isnt happy. sames goes for all of the golf states.  and then there are the other oilstates, some need toilettpaper, all want cars, all want chemical goods, most have to buy gasoline.  the golf will turn to a desert if they stop selling oil, they produce nothing.  and dont fear for the euro, china and the us are drowning in debt,(and the us in a trade deficit that will grow alot when CA is totaly out of water). japan is a zombie for 20 years and the uk is taking new loans faster than greece ever did...

Saudis have to sell smth at their own expense? Hardly, that'd have defeated the purpose.