基金我们衷心感谢以下人员建设性的意见和研究帮助：Simon Alder, Adrien Bussy. Sebastian Ottinger. Maria Saez Marti, Lin Shao, Zheng Song, RomanStuder and Yikai Wang,也感谢欧盟研究委员会提供的资金支持（ERC Advanced Grants IPCDP-229883 and MACROINEQUALITY-324085）.
基金The author gratefully acknowledged the work of to Dr Taejoon Han, professor of economics at The George Washington University, on the authentic achievements of his paper China. A share poverty to uneven wealth？ （1995）. This paper has influenced the author＇s thinking in writing this area and some of Dr Taejoon Hart ideas and references o f the above paper were adopted in this paper.