If we consider the reasons for the fluctuation in the course according to a simplified scheme, it will look as follows. Each country produces certain products and sets this product the price. Suppose that in two different countries the same product is produced, but their cost is different. The consequence of this is that consumers will prefer to purchase this product from those manufacturers who sell it at a cheaper price. Since in this case a cheaper product was produced in a foreign state, it will be purchased accordingly in this state, and this is necessary for the currency. Thus, it turns out that there was a demand for the currency of a certain foreign state. This leads to the fact that the money of the exporter country grows up in their face value. As already indicated, the example considered above is very simplified, but it fully reveals the reasons why the exchange rates are constantly changing.
