One other important factor in the exchange rate is trade with other countries. If world prices for a country’s exports go up in relation to their imports, they’ll be making more on what they sell than they are spending for what they buy. You can see this most clearly in the price of oil. The US buys a large percentage of its oil from Canada. As the price of oil on the world market increases, the exchange rate of Canadian dollars to US dollars goes down – Canadian dollars become more valuable because the Canadian economy is growing stronger.
Obviously, there’s far more to the intricacies of floating currency exchange rates, but this basic primer should help you understand some of the more complex writings on the subject.
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