（1）Convergence of China's regional incomes: 1952–1997
China Economic Review
Volume 12, Issues 2-3, Summer 2001, Pages 243-258
http://dx.doi.org/10.1016/S1043-951X(01)00053-0

（2）Regional income divergence in China
Journal of Asian Economics
Volume 17, Issue 2, April 2006, Pages 294-315
http://dx.doi.org/10.1016/j.asieco.2005.09.005
（3）Time-series based tests of the convergence hypothesis: Some positive results
Economics Letters
Volume 56, Issue 2, 17 October 1997, Pages 143-147
http://dx.doi.org/10.1016/S0165-1765(97)81892-7