3Callen J , Mathewson G F and Mohring.H The Benefits and Costs of Rate-of-Return Regulation [J].American Economic Review, Vol.66,1976:290.
4Holmstrom, B Moral Hazard and Observability[J]. Bell of Economics, 1979,10:74-91.
5Johansen. L The Theory of Public Goods: Misplaced emphasis?[J]. Journal of Public Economics,1997,6:63-82.
6.《复旦今年毕业生就业调查显示- 平均薪酬增加逾一成》[N].《文汇报》,2003—10-30.
7上海市统计局.2005年,上海市国民经济和社会发展统计公报.
8Yaohui Zhao (2000) "Rural to Urban Labor Migration in China:The Past and the Present", In L. A. West and Y. Zhao (eds.) Chinese Rural Labor Flous, Institute for East Asian Studies, University of California Berkeley.
