A literature review indicates that the main problem in calculating the Gini coefficient of Chinese residents' income is the shortcomings of the data sources. Though many studies have tried to overcome these limitations through decomposing the nationwide Gini ratio by urban and rural areas, the final results have been underestimated, due to the overlap term or residual in the decomposition. This paper analyses the effects of the overlap term on calculating the overall Gini coefficient through a statistical approach, and estimates Chinese Gini ratios since economic reform and open door policies were adopted. Based on decomposing the Chinese Gini coefficient from 1978 to 2006, the authors find that the key factor of income inequality comes from income disparity between rural and urban inhabitants. The authors investigate the features of this income inequality between rural and urban areas. Furthermore, statistical approaches are employed to evaluate the effects of the development of urbanisation and rural-to-urban average income on the income inequality of the whole nation. The results show that accelerating the pace of urbanisation is the key issue to improving Chinese income disparity. On the basis of the above analysis, the paper proposes related policies for policy-makers. 1
To investigate the spectral and spatial distribution characteristics of aerosol particles over eastern China, this study conducted a set of aircraft measurements during August 12-28, 2014, over Anhui province, China. The aerosol number concentration and size distributions from five flights as well as the cloud and meteorological parameters were analyzed. In Anhui province, the average number concentration of aerosol particles in the size range of 0.1-3.0 µm was 481 ± 199 cm -3 , and accumulation mode particles accounted for more than 95% of the total aerosol particles. Most of the aerosol particles were concentrated in the layer below 1000 m, where the number concentration decreased with the altitude, except in the presence of thermal inversion layers (TILs). The TILs prevented the vertical transport of aerosol particles, and led to a higher number concentration in the boundary layer. A large fraction of aerosol particles was removed when clouds were present, and the removed in-cloud aerosols lead to an increase in cloud droplet concentrations for the size range of 3.5-10.0 µm. Our results are valuable for understanding the spatial distribution of aerosol particles and their interactions with clouds.
Data insufficiency has become the primary factor affecting research on income disparity in China. To resolve this issue, this paper explores Chinese income distribution and income inequality using distribution functions. First, it examines 20 sets of grouped data on family income between 2005 and 2012 by theChina Yearbook of Household Surveys, 2013,and compares the fitting effects of eight distribution functions. The results show that the generalized beta distribution of the second kind has a high fitting to the income distribution of urban and rural residents in China. Next, these results are used to calculate the Chinese Gini ratio, which is then compared with the findings of relevant studies. Finally, this paper discusses the influence of urbanization on income inequality in China and suggests that accelerating urbanization can play an important role in narrowing the income gap of Chinese residents.
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