That is because when one country which willfully made lowering the value of their own currency to keep inflation from the distorted balance occurs. The country may be better off sending in early stage.
That is because when one country voluntarily reduce the value of their own money into a distortion of equilibrium occurs. Countries that are subject to export better in the early stages.
That's because when one country deliberately to reduce their money down to deviate from the equilibrium condition occurs. That country may have better long-term exports first.