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70年代中期 ,罗宾逊在二元经济框架下 ,用“一个仅含极少假设条件且非常简单的模型”证明倒U现象已经成为了一条经济法则。本文认为罗宾逊的这个著名结论存在两大疑问 :第一 ,罗宾逊认为城乡收入差距与工业化进程无关的假设很可能是错误的 ;第二 ,即使罗宾逊所做的假设是正确的 ,那么 ,发展与分配之间也存在三种可能的关系 ,即随着工业化的推进 ,收入分配有可能持续恶化 ,也可能持续好转或出现倒U走势 ;而不是罗宾逊所坚持的“只可能出现倒U规律”一种趋势。
In the mid-1970s, under the framework of a dual economy, Robinson proved that the inverted U phenomenon has become an economic law by “a model with very simple assumptions and a very simple model.” This article argues that Robinson’s famous conclusion has two major questions: first, Robinson’s hypothesis that urban-rural income disparity has nothing to do with the process of industrialization is likely to be wrong; and second, even if Robinson’s hypothesis is correct, then development and distribution There are also three possible relations between them: that is, with the advancement of industrialization, the income distribution may deteriorate continuously, and it may also continue to improve or appear inverted. Instead of the “inverted U-law” that Robinson insisted trend.