The relationship between the Current Account Balance and Exchange Rates
This lesson will illustrate how trade flows should lead to appreciation and depreciation of currencies in a floating exchange rate system, and then explain how in the case of China, central bank policy aimed at buying large quantities of US government debt keeps the supply of Chinese currency high in the US and the demand for US dollars high in China. This means the dollar remains stronger than it otherwise might relative to the Chinese RMB, contributing to the persistent trade deficits the US exhibits in its trade with China.
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