文章首先介绍了研究收入不平等的意义。其次着重讨论了不平等方法提出以来的研究成果,并对国内外对收入不平等的研究成果进行了评述。再次对研究收入不平等的指标和方法及其局限性做了介绍,最后肯定了收入不平等分解方法的成果,并提出了在研究中应该注意的问题。 The article first introduces the significance of studying income inequality. Second, it focuses on the research results since the inequality was put forward, and reviews the research results on the income inequality at home and abroad. Third, it introduces again the index and method of studying income inequality and its limitations. Finally, it affirms the outcome of the method of decomposing income inequality and puts forward some problems that should be paid attention to in the research.