4Daniels P W. Urban challenges: the formal and informal economies in megacities[J]. Cities, 2004(6) :501- 511.
5Wong Kar yiu, Chong Kee Yip. Education, economic growth,and brain drain[J]. Journal of Economic Dynamics and Control, 1999,23 : 699-726.
6Bae Hongshik. Ph D. Migration and employment of a developing dual economy: An intertemporal general equilibrium approach [M]. University of Kansas, 1987.
7Simpson Nicole Bundy, Ph D. Redistributive policies and migration[M]. The University of lowa, 2001.
8Guan Ming, Tian Jinxin. Study on rural-urban migration evolution from individual to family migration. Toronto, Canada[C]//Proceedings of 2008 International Conference on Construction & Real Estate Management( ISTP Index), 2008 : 1466-1469.
9Guan Ming, Tian Jinxin, Sun Lu. An investigation of homesickness among peasant workers in China[C]// International Conference on Construction & Real Estate Management. Bristol: England,2007 : 216-221.