If I'm understanding your end goal here, I cannot see anything like Forex being of much help in balancing resource distribution. Even if everyone were using the same currency and pulling from the exact same resource pool, there would still be a great disparity in distribution. Just look at any big nation, and you're bound to see plenty of unbalance internally.
No longer possible at this point. Too many players with too much information for any considerable leverage to be had for too long. Remember any financial market is basically just tons of really smart people trying to out smart each other.
> rebalance the distribution of resource
That's not a money problem, it's a political problem and a fashion problem. Some countries are getting into a fashion for ugly veg and fruit, that's certainly a step in the right direction.
Making money is about taking risk. If your aiming at making billions of dollars with millions then chances are that the risk will eat you up