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收入分配不平等一直是宏观经济领域中的一个重大研究课题。以往关于收入分配变动方向,及其与经济增长之间关系的研究,仅涉及到实证分析层面,而没有进一步的规范分析。以森为代表的经济学家倾向于寻找某种福利指数,将不同的收入分配格局进行定量的福利评价。洛伦茨曲线、贫困指数等都是在这种研究背景下提出来的。本文重点梳理了此研究领域的经典文献。
Unequal income distribution has always been a major research topic in the macroeconomic field. Previous studies on the direction of changes in income distribution and its relationship with economic growth only involved the level of empirical analysis without further normative analysis. Economists, such as Mori Mori, tend to look for a certain kind of welfare index and conduct quantitative welfare evaluation on different income distribution patterns. Lorenz curve, poverty index, etc. are put forward in this research background. This article focuses on the classic literature in this area of research.