Who determines the currency exchange rate between countries?

sarman wrote:Why is it that the areas or world with the most natural food and mineral resources (i.e. tropical countries) tend to be the poorest? Why aren't currency exchange rates all the same? What is so special about the G8 countries or economies?




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JonyLeaber wrote:

sarman wrote:Why is it that the areas or world with the most natural food and mineral resources (i.e. tropical countries) tend to be the poorest? Why aren't currency exchange rates all the same? What is so special about the G8 countries or economies?




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you know that there are many country are live poorest area.