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政治身份会影响收入差距吗?本文根据中国社会综合调查数据,通过分解方法把政治身份对收入的影响分解为价格效应和禀赋效应,进而定量地分析了价格效应和禀赋效应在党员与非党员收入差距中的贡献度。研究结果发现,价格效应对收入差距的贡献相对较小,政治身份带来的收入差距主要由个体禀赋差异决定,其中教育水平差异在禀赋效应中的贡献约为50%。进一步研究发现,2008年与2003年相比,价格效应导致的收入差距在总体差距中占比显著减小;党员身份的收入溢价及其价格效应的作用机制更多在体制内发生,市场化缩小了政治身份的收入溢价。这些结果有助于我们正确看待经济转型过程中政治身份带来的收入差距。
Political identity will affect the income gap? This article based on China’s social survey data, through the decomposition of the political identity of the income impact of the price decomposition and decomposition into the endowment effect, and then quantitative analysis of the price effect and endowment effect in the party members and non- Contribution in the gap. The study finds that the contribution of price effect to income disparity is relatively small. The income disparity caused by political status is mainly determined by individual endowment differences. Among them, the difference of educational level contributes about 50% to the endowment effect. Further study found that in 2008 compared with 2003, the income gap caused by the price effect in the overall gap in the proportion of significantly reduced; party membership income premium and its role in the price effect more in the system, the market is shrinking The income premium for political status. These results help us to correctly view the income gap brought about by political status in the process of economic restructuring.