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The United States dollar (USD) is considered the most powerful and influential currency in the world. It is used in international trade, finance, and investment, and is often chosen as the reserve currency by central banks in many countries. This means that governments trust the stability of the dollar to keep part of their financial resources.

The dollar is also widely accepted in countries outside the United States for transactions, tourism, and business. Because of its global use, changes in the value of the dollar can affect economies around the world, including the prices of products, oil, and imported goods. That is why understanding how the dollar works is important to understand the global economy. (Jason Miller)

O que acontece quando o valor do dólar muda?

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• Só afeta os bancos dos Estados Unidos
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• Impede que produtos importados cheguem ao Brasil
• Melhora os salários dos trabalhadores brasileiros
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• Provoca mudanças nas economias de vários países
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