5Barro R, X Sala-i-Martin. Convergence across states and regions[R]. Brookings Papers on Economic Activity, 1991, (1) : 107-182.
6Kuznets S. Economic growth and income equality[J]. American Economic Review, 1955, 45(2) .1-28.
7Williamson J. Regional inequality and the process of national development[J]. Economic Development and Cultural Change, 1965,4(2) : 3-47.
8Tsui, Kai Yuen. China' s Regional Inequality, 1952- 1985[J]. Journal of Comparative Economics. 1991,15(3) .45-59.
9Lyons T P. Inter-provincial disparities in China: Output and consumption, 1952- 1987 [J]. Economic Development and Cultural Change, 1991,39(3) :471-506.
10World Bank Sharing Rising Incomes. Disparities in China, China 2020 series [R]. Washington D. C, 1997.