对经济学家来说,全球关系的一个显著特点是南北生活水准和福利的巨大差距。一种显而易见的修正办法是在世界范围内重新分配资源和收入。重新分配对很多人来说有道德上的理由,但事实证明难以实行。南北之间经过数十年的“发展对话”之后,外援仍只是北方国家国民收入中微不足道的部 For economists, a notable feature of global relations is the huge disparity in living standards and benefits between North and South. An obvious remedy is redistribution of resources and income worldwide. The redistribution has moral justification for many people, but it turns out to be difficult to implement. After decades of “development dialogue” between North and South, foreign aid is still only a trivial part of the national income of northern countries