3Grossman,Sanford and Oliver Hart.The costs and benefits of ownership:a theory of vertical and lateral integration[J ].Journal of Po- litical Economy,1986, (94) : 691-719.
4Gadhoum, Yoser.Potential effectsof man- agers'entrenchment and Shareholdings on competitiveness [J ].European Journal of Oper- ational Research, 1999, (118) :332-349.
10Fan, Joseph and T J Wong, 2002,"Corporate ownership structure and the informativeness of accounting earnings in East Asia'Journal of Accounting and Economics, 33,401~425.
