最近几年 ,发展经济学关于分配不平等问题的研究 ,主要集中在发展中国家分配不平等问题的复杂性和分配不平等对经济增长的影响等方面。本文从多种角度对这两个方面的研究进行了介绍 ,并介绍了关于“倒U型”关系的争论 In recent years, the study of development economics on the issue of inequality has focused on the complexity of the problem of inequality in developing countries and the impact of inequality on economic growth. This paper introduces the research in these two aspects from many angles and introduces the debate about the relationship of “inverted U-shaped”