ISSN 2096-2533

CN 42-1881/F



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发布时间:2019-12-31作者:王燕 余红伟 石大千 张旭浏览次数:61

Re-estimation of the Impact of Haze on Income Inequality:By Using Instrumental Variable

Wang Yan, Yu Hongwei, Shi Daqian and Zhang Xu





Abstract:With the development of economy, the problems caused by air pollution become increasingly prominent,which will hinder the economic development, such as widening the income gap and so on. Mutual causality relationship between air pollution and income inequality leads to endogenous problems, but existing researches on air pollution and income inequality pay less attention to endogeneity between them, which may lead to bias in estimation results. Therefore, this paper uses cross-city PM2.5 data in China during 2000-2016, selects the income ratio between urban and rural that can better reflect China's income gap as the explanatory variable and uses the instrumental variable of inversion temperature to re-examine the effect of haze on urban-rural income inequality. Furthermore, this paper also analyzes the mechanism of the effect of haze on the urban-rural income gap from the perspective of healthhuman capital by using the survey data of China Household Income Project. The results show that haze has significantly expanded the urban-rural income gap, and haze has significant less impact on health of urban residents than rural residents. At the same time, the effect of urban residents' health human capital on income is also significantly less than that of rural residents, both of which have led to an increase income gap between urban and rural. Based on the above research, and considering that income gap will hinder the economic growth of developing countries, haze management must be intensified in the process of promoting economic growth in developing countries.

KeywordsPM2.5; Income Inequality; Temperature Inversion; Health Human Capital  




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