给定产出，一个国家可以通过减少投资或者减少消费（私人或政府的)来改善其经常项目。债务危机开始后，许多发展

给定产出，一个国家可以通过减少投资或者减少消费(私人或政府的)来改善其经常项目。债务危机开始后，许多发展中国家会减少投资来改善经常项目。这是明智的战略吗？

  Given output，a country can improve its current account by either cutting investment or cutting consumption(private or government)．After the debt crisis of the 1980s began，many developing countries achieved improvements in their current accounts by cutting investment．Is this a sensible strategy？