通常来说，经济学家会将货币贬值视为平衡一个国家外部账户的有效手段，因为这会提高进口成本而拉低出口成本，进而令前者下降而后者上升。
Economists would typically argue that the way to balance a country’s external accounts is through a fall in its currency, which would make imports more expensive and exports cheaper, causing the former to fall and the latter to rise.