A Study on Wage Premium of Provincial Capital Cities in China——A Space Econometric Analysis Based on Quantile Regression
A Study on Wage Premium of Provincial Capital Cities in China——A Space Econometric Analysis Based on Quantile Regression
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发表时间：
2008
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通讯作者：
WU Chun-jie
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作者：
WU Chun-jie
本文利用2000年、2004年和2006年中国健康与营养调查的城镇职工样本，研究了省会城市与非省会城市之间的工资溢价效应。它指出，省会城市工人的工资比非省会城市同等素质工人的工资高出14%，本文运用OLS回归模型对我国省会城市的工资溢价进行了实证分析，并运用Mundlak-Chamberlain的随机效应模型提出，控制城市的生活成本至少可以减少一半的工资溢价，因此这种工资溢价部分是由于高水平人力资本的回报率较高所致。根据城市经济学的空间均衡理论，将通勤时间引入模型后，省会城市的剩余工资溢价消失，证实了省会城市集聚经济效应的存在，考虑到中国收入差距的扩大，本文将工资分位数引入到模型中进一步研究，发现工资水平较高地区的劳动者从省会城市的优势中获益更大，这一结果凸显了从微观层面研究城市劳动力市场的重要性。
This paper examines the effects of wage premium between capital cities of provinces and non-provincial-capital cities in China.Using a sample of workers in urban areas from China Health and Nutrition Survey of 2000,2004 and 2006,it points out that the wage earned by a worker in capital cities of provinces is 14 percent more than the one earned by a worker with similar qualities in non-provincial-capital cities by OLS regression model.Using Mundlak-Chamberlain's random-effect model,the paper suggests that controlling the living costs in cities can reduce a half of this premium at least,so this wage premium is partly due to the higher return to high-level human capital.In accordance with the space equilibrium theory suggested by Urban Economics,the residual wage premium of provincial capital cities disappears by bringing commuting time into the model,which confirms the existence of agglomeration economic effects in provincial capital cities.Considering the increasing income gap in China,the paper brings wage quantiles into our models to make a further study.Obviously,workers in higher wage areas benefit more from the advantages of capital cities of provinces.These results highlight the importance of studying urban labor markets at micro level.