本文使用2008年的调查数据,采用基于回归的收入不平等的分解方法,研究了影响收入分配的因素及其对不平等的贡献。研究发现,无论是在城乡之间、地区之间还是在不同行业之间,人力资本和政治资本都有较高的收入回报率。此外,回归分解的结果表明,受教育年限是影响收入不平等的一个重要因素,且具有较稳定的解释能力,其对收入不平等的贡献在6%左右。 Using the 2008 survey data and regression method based on inequality of income inequality, this paper studies the factors affecting income distribution and their contribution to inequality. The study found that both in rural and urban areas, between regions and between industries, human capital and political capital have higher rates of return on their income. In addition, regression analysis shows that the number of years of education is an important factor affecting income inequality, and has a more stable ability to explain, its contribution to income inequality is about 6%.